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BOSTON MARATHON 2026

Gwen Jacobson

MN

Bib: 16676 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 42%
Gender (Female)
#0 / 12578
Top 27%
Masters (Masters Women)
#0 / 6862
Top 11%
Division (F65-69)
#0 / 273
Top 1%
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
7:24/mi
22:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:25/mi
45:59
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:32/mi
1:09:23
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:41/mi
1:33:13
↑ 106↓ 860.1%
165 ft elev
HALF· 13.11 mi
7:32/mi
1:38:21
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:46/mi
1:57:11
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:00/mi
2:22:02
↑ 181↓ 1480.2%
138 ft elev
20M
8:04/mi
2:32:59
↑ 64↓ 500.2%
148 ft elev
21M
8:14/mi
2:41:13
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:43/mi
2:46:59
↑ 17↓ 861.7%
156 ft elev
23M
7:50/mi
2:56:47
↑ 23↓ 630.6%
116 ft elev
24M
7:28/mi
3:04:15
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:41/mi
3:10:49
↓ 200.3%
20 ft elev
25.2M
8:13/mi
3:13:39
↑ 13↓ 160.2%
18 ft elev
FINISH· 26.22 mi
7:23/mi
3:21:10
↑ 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
1:38:217:31 /mi⚡ faster
2nd Half
1:42:497:51 /mi+4.5%
Positive split — 4.5% 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 mi11:04:1122:577:2422:57
7:24
-
10K
6.21 mi11:27:1345:597:2523:02
7:25
+0:01
15K
9.32 mi11:50:371:09:237:2723:24
7:32
+0:07
20K
12.43 mi12:14:271:33:137:3123:50
7:41
+0:09
HALF
13.11 mi12:19:351:38:217:315:08
7:32
-0:09
25K
15.53 mi12:38:251:57:117:3318:50
7:46
+0:14
30K
18.64 mi13:03:162:22:027:3824:51
8:00
+0:14
20M
20.00 mi13:14:132:32:597:3910:57
8:04
+0:04
21M
21.00 mi13:22:272:41:137:418:14
8:14
+0:10
35K
21.75 mi13:28:132:46:597:415:46
7:43
-0:31
23M
23.00 mi13:38:012:56:477:429:48
7:50
+0:07
24M
24.00 mi13:45:293:04:157:417:28
7:28
-0:22
40K
24.85 mi13:52:033:10:497:416:34
7:41
+0:13
25.2M
25.20 mi13:54:533:13:397:422:50
8:13
+0:32
FINISH
26.22 mi14:02:243:21:107:417:31
7:23
-0:50

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

7:23 /mi

Average Pace

7:41 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:10:06

94% of race

Time at Steady Pace

11:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi11:04:1122:577:2422:57
7:24
#11848
10K
6.21 mi11:27:1345:597:2523:02
7:25
#11998
15K
9.32 mi11:50:371:09:237:2723:24
7:32
#12318
20K
12.43 mi12:14:271:33:137:3123:50
7:41
#12606
HALF
13.11 mi12:19:351:38:217:315:08
7:32
#12632
25K
15.53 mi12:38:251:57:117:3318:50
7:46
#12785
30K
18.64 mi13:03:162:22:027:3824:51
8:00
#12868
20M
20.00 mi13:14:132:32:597:3910:57
8:04
#12868
21M
21.00 mi13:22:272:41:137:418:14
8:14
#12776
35K
21.75 mi13:28:132:46:597:415:46
7:43
#12750
23M
23.00 mi13:38:012:56:477:429:48
7:50
#12629
24M
24.00 mi13:45:293:04:157:417:28
7:28
#12485
40K
24.85 mi13:52:033:10:497:416:34
7:41
#12385
25.2M
25.20 mi13:54:533:13:397:422:50
8:13
#12331
FINISH
26.22 mi14:02:243:21:107:417:31
7:23
#12223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi11848283028301310536413641
10K6.21 mi3.10 mi11998-1502942-1122942-1121222330873087
15K9.32 mi3.11 mi12318-3203137-1953137-1951310536413641
20K12.43 mi3.11 mi12606-2883337-2003337-2001347939283928
HALF13.11 mi0.68 mi12632-263352-153352-151328737323732
25K15.53 mi2.42 mi12785-1533470-1183470-1181355440414041
30K18.64 mi3.11 mi12868-833579-1093579-1091347241054105
20M20.00 mi1.36 mi128683608-293608-291324640724072
21M21.00 mi1.00 mi12776+923585+233585+231144432243224
35K21.75 mi0.75 mi12750+263579+63579+61240037503750
23M23.00 mi1.25 mi12629+1213532+473532+471126532453245
24M24.00 mi1.00 mi12485+1443476+563476+56986826162616
40K24.85 mi0.85 mi12385+1003435+413435+411021028562856
25.2M25.20 mi0.35 mi12331+543417+183417+18981327592759
FINISH26.22 mi1.02 mi12223+1083384+333384+331051331053105

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

13105

Females

3641

F65-69

3641

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

12223

Females

3087

F65-69

3087

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

13105

Females

3641

F65-69

3641

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13479

Females

3928

F65-69

3928

20K→HALF

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13287

Females

3732

F65-69

3732

HALF→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13554

Females

4041

F65-69

4041

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13472

Females

4105

F65-69

4105

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

13246

Females

4072

F65-69

4072

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11444

Females

3224

F65-69

3224

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12400

Females

3750

F65-69

3750

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11265

Females

3245

F65-69

3245

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9868

Females

2616

F65-69

2616

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

10210

Females

2856

F65-69

2856

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9813

Females

2759

F65-69

2759

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10513

Females

3105

F65-69

3105

Passing Analysis

Category:
Athletes Passed
1541
Passed By
1916
Net Change
-375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11848
5K → 10K189339-150#11848#11998
10K → 15K85405-320#11998#12318
15K → 20K82370-288#12318#12606
20K → HALF1642-26#12606#12632
HALF → 25K88241-153#12632#12785
25K → 30K159242-83#12785#12868
30K → 20M1011010#12868#12868
20M → 21M12735+92#12868#12776
21M → 35K6135+26#12776#12750
35K → 23M15433+121#12750#12629
23M → 24M15612+144#12629#12485
24M → 40K12323+100#12485#12385
40K → 25.2M7218+54#12385#12331
25.2M → FINISH12820+108#12331#12223
TOTALS15411916-375

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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