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BOSTON MARATHON 2026

Donna Pierson

AZ

Bib: 11963 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Division (F75-79)
#0 / 14
Top 29%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:30/mi
29:28
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:31/mi
59:01
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:40/mi
1:29:01
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:54/mi
1:59:45
↑ 106↓ 860.1%
165 ft elev
HALF· 13.11 mi
9:53/mi
2:06:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:15/mi
2:31:19
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:35/mi
3:04:10
↑ 181↓ 1480.2%
138 ft elev
20M
11:07/mi
3:19:15
↑ 64↓ 500.2%
148 ft elev
21M
12:22/mi
3:31:37
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:49/mi
3:40:27
↑ 17↓ 861.7%
156 ft elev
23M
11:38/mi
3:55:00
↑ 23↓ 630.6%
116 ft elev
24M
11:18/mi
4:06:18
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:34/mi
4:16:11
↓ 200.3%
20 ft elev
25.2M
12:43/mi
4:20:34
↑ 13↓ 160.2%
18 ft elev
FINISH· 26.22 mi
11:36/mi
4:32:23
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via HALF
2:06:299:39 /mi⚡ faster
2nd Half
2:25:5411:08 /mi+15.4%
Positive split — 15.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5829:289:3029:28
9:30
-
10K
6.21 mi11:17:3159:019:3029:33
9:31
+0:01
15K
9.32 mi11:47:311:29:019:3430:00
9:40
+0:09
20K
12.43 mi12:18:151:59:459:3930:44
9:54
+0:14
HALF
13.11 mi12:24:592:06:299:396:44
9:53
-0:01
25K
15.53 mi12:49:492:31:199:4524:50
10:15
+0:22
30K
18.64 mi13:22:403:04:109:5332:51
10:35
+0:20
20M
20.00 mi13:37:453:19:159:5815:05
11:07
+0:32
21M
21.00 mi13:50:073:31:3710:0512:22
12:22
+1:15
35K
21.75 mi13:58:573:40:2710:098:50
11:49
-0:33
23M
23.00 mi14:13:303:55:0010:1414:33
11:38
-0:11
24M
24.00 mi14:24:484:06:1810:1611:18
11:18
-0:20
40K
24.85 mi14:34:414:16:1110:199:53
11:34
+0:16
25.2M
25.20 mi14:39:044:20:3410:214:23
12:43
+1:09
FINISH
26.22 mi14:50:534:32:2310:2411:49
11:36
-1:07

Checkpoints & Pacing

Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:30 /mi

Average Pace

10:24 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:04:10

68% of race

Time at Steady Pace

48:05

18% of race

Time at Slower Pace

40:08

15% of race

Average Pace: 10:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:47:5829:289:3029:28
9:30
#24445
10K
6.21 mi11:17:3159:019:3029:33
9:31
#24523
15K
9.32 mi11:47:311:29:019:3430:00
9:40
#24645
20K
12.43 mi12:18:151:59:459:3930:44
9:54
#24677
HALF
13.11 mi12:24:592:06:299:396:44
9:53
#24730
25K
15.53 mi12:49:492:31:199:4524:50
10:15
#24761
30K
18.64 mi13:22:403:04:109:5332:51
10:35
#24703
20M
20.00 mi13:37:453:19:159:5815:05
11:07
#24730
21M
21.00 mi13:50:073:31:3710:0512:22
12:22
#24776
35K
21.75 mi13:58:573:40:2710:098:50
11:49
#24850
23M
23.00 mi14:13:303:55:0010:1414:33
11:38
#24919
24M
24.00 mi14:24:484:06:1810:1611:18
11:18
#24969
40K
24.85 mi14:34:414:16:1110:199:53
11:34
#24978
25.2M
25.20 mi14:39:044:20:3410:214:23
12:43
#24995
FINISH
26.22 mi14:50:534:32:2310:2411:49
11:36
#25113
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF75-79Seg. OverallSeg. FemalesSeg. F75-79
5K3.11 mi3.11 mi2444599019901248511009910099
10K6.21 mi3.10 mi24523-789929-289929-282462399859985
15K9.32 mi3.11 mi24645-1229987-589987-58248511009910099
20K12.43 mi3.11 mi24677-3210009-2210009-22247861009510095
HALF13.11 mi0.68 mi24730-5310037-2810037-28253871042410424
25K15.53 mi2.42 mi24761-3110067-3010067-30248741016410164
30K18.64 mi3.11 mi24703+5810059+810059+8244691009810098
20M20.00 mi1.36 mi24730-2710090-3110090-31251151049810498
21M21.00 mi1.00 mi24776-4610143-5310143-53255991081910819
35K21.75 mi0.75 mi24850-7410181-3810181-38265111130411304
23M23.00 mi1.25 mi24919-6910244-6310244-63256171087210872
24M24.00 mi1.00 mi24969-5010277-3310277-33256271091310913
40K24.85 mi0.85 mi24978-910296-1910296-19252071073910739
25.2M25.20 mi0.35 mi24995-1710316-2010316-20256931096710967
FINISH26.22 mi1.02 mi25113-11810387-7110387-71269921163411634

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24851

Females

10099

F75-79

10099

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24623

Females

9985

F75-79

9985

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24851

Females

10099

F75-79

10099

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24786

Females

10095

F75-79

10095

20K→HALF

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

25387

Females

10424

F75-79

10424

HALF→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24874

Females

10164

F75-79

10164

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

24469

Females

10098

F75-79

10098

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

25115

Females

10498

F75-79

10498

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

25599

Females

10819

F75-79

10819

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

26511

Females

11304

F75-79

11304

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

25617

Females

10872

F75-79

10872

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

25627

Females

10913

F75-79

10913

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

25207

Females

10739

F75-79

10739

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25693

Females

10967

F75-79

10967

25.2M→FINISH

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26992

Females

11634

F75-79

11634

Passing Analysis

Category:
Athletes Passed
894
Passed By
1562
Net Change
-668
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24445
5K → 10K202280-78#24445#24523
10K → 15K82204-122#24523#24645
15K → 20K116148-32#24645#24677
20K → HALF962-53#24677#24730
HALF → 25K89120-31#24730#24761
25K → 30K15294+58#24761#24703
30K → 20M5986-27#24703#24730
20M → 21M3884-46#24730#24776
21M → 35K1488-74#24776#24850
35K → 23M41110-69#24850#24919
23M → 24M3080-50#24919#24969
24M → 40K3544-9#24969#24978
40K → 25.2M1532-17#24978#24995
25.2M → FINISH12130-118#24995#25113
TOTALS8941562-668

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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OTQ

Olympic Trials Qualifying analysis available

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