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BOSTON MARATHON 2025

Gwen Jacobson

MN

Bib: 9927 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Masters (Masters Women)
#0 / 6759
Top 9%
Division (F65-69)
#0 / 222
Top 0.9%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:26/mi
23:06
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:30/mi
46:25
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:34/mi
1:09:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:39/mi
1:33:41
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:30/mi
1:38:48
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:42/mi
1:57:27
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:03/mi
2:22:29
↑ 181↓ 1480.2%
138 ft elev
20M
7:58/mi
2:33:19
↑ 64↓ 500.2%
148 ft elev
21M
8:30/mi
2:41:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:52/mi
2:47:42
↑ 17↓ 861.7%
156 ft elev
23M
8:03/mi
2:57:47
↑ 23↓ 630.6%
116 ft elev
24M
7:44/mi
3:05:31
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:53/mi
3:12:15
↓ 200.3%
20 ft elev
25.2M
8:36/mi
3:15:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:32/mi
3:22:54
↑ 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
1:38:487:32 /mi⚡ faster
2nd Half
1:44:067:56 /mi+5.4%
Positive split — 5.4% 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 mi10:48:5423:067:2623:06
7:26
-
10K
6.21 mi11:12:1346:257:2823:19
7:30
+0:04
15K
9.32 mi11:35:421:09:547:3023:29
7:34
+0:04
20K
12.43 mi11:59:291:33:417:3223:47
7:39
+0:05
Half
13.11 mi12:04:361:38:487:325:07
7:30
-0:09
25K
15.53 mi12:23:151:57:277:3418:39
7:42
+0:12
30K
18.64 mi12:48:172:22:297:3925:02
8:03
+0:21
20M
20.00 mi12:59:072:33:197:4010:50
7:58
-0:05
21M
21.00 mi13:07:372:41:497:428:30
8:30
+0:32
35K
21.75 mi13:13:302:47:427:435:53
7:52
-0:38
23M
23.00 mi13:23:352:57:477:4410:05
8:03
+0:11
24M
24.00 mi13:31:193:05:317:447:44
7:44
-0:19
40K
24.85 mi13:38:033:12:157:446:44
7:53
+0:09
25.2M
25.20 mi13:41:013:15:137:452:58
8:36
+0:43
Finish
26.22 mi13:48:423:22:547:457:41
7:32
-1:04

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

7:26 /mi

Average Pace

7:45 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:11:26

94% of race

Time at Steady Pace

11:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:48:5423:067:2623:06
7:26
#11675
10K
6.21 mi11:12:1346:257:2823:19
7:30
#11868
15K
9.32 mi11:35:421:09:547:3023:29
7:34
#11989
20K
12.43 mi11:59:291:33:417:3223:47
7:39
#11986
Half
13.11 mi12:04:361:38:487:325:07
7:30
#11960
25K
15.53 mi12:23:151:57:277:3418:39
7:42
#11849
30K
18.64 mi12:48:172:22:297:3925:02
8:03
#11770
20M
20.00 mi12:59:072:33:197:4010:50
7:58
#11603
21M
21.00 mi13:07:372:41:497:428:30
8:30
#11519
35K
21.75 mi13:13:302:47:427:435:53
7:52
#11499
23M
23.00 mi13:23:352:57:477:4410:05
8:03
#11388
24M
24.00 mi13:31:193:05:317:447:44
7:44
#11243
40K
24.85 mi13:38:033:12:157:446:44
7:53
#11134
25.2M
25.20 mi13:41:013:15:137:452:58
8:36
#11094
Finish
26.22 mi13:48:423:22:547:457:41
7:32
#11001
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi11675262126211225630433043
10K6.21 mi3.10 mi11868-1932736-1152736-1151215729012901
15K9.32 mi3.11 mi11989-1212829-932829-931225630433043
20K12.43 mi3.11 mi11986+32861-322861-321200229972997
Half13.11 mi0.68 mi11960+262855+62855+61176228012801
25K15.53 mi2.42 mi11849+1112842+132842+131149028392839
30K18.64 mi3.11 mi11770+792884-422884-421179831883188
20M20.00 mi1.36 mi11603+1672824+602824+601027925802580
21M21.00 mi1.00 mi11519+84282428241049028492849
35K21.75 mi0.75 mi11499+202838-142838-141131732693269
23M23.00 mi1.25 mi11388+1112827+112827+111044229652965
24M24.00 mi1.00 mi11243+1452787+402787+40937625092509
40K24.85 mi0.85 mi11134+1092761+262761+26933226062606
25.2M25.20 mi0.35 mi11094+402758+32758+3950227792779
Finish26.22 mi1.02 mi11001+932742+162742+16951327682768

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12256

Females

3043

F65-69

3043

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12157

Females

2901

F65-69

2901

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12256

Females

3043

F65-69

3043

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

12002

Females

2997

F65-69

2997

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11762

Females

2801

F65-69

2801

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11490

Females

2839

F65-69

2839

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11798

Females

3188

F65-69

3188

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10279

Females

2580

F65-69

2580

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10490

Females

2849

F65-69

2849

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11317

Females

3269

F65-69

3269

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10442

Females

2965

F65-69

2965

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9376

Females

2509

F65-69

2509

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9332

Females

2606

F65-69

2606

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9502

Females

2779

F65-69

2779

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9513

Females

2768

F65-69

2768

Passing Analysis

Category:
Athletes Passed
2064
Passed By
1390
Net Change
+674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11675
5K → 10K168361-193#11675#11868
10K → 15K135256-121#11868#11989
15K → 20K197194+3#11989#11986
20K → Half5024+26#11986#11960
Half → 25K218107+111#11960#11849
25K → 30K260181+79#11849#11770
30K → 20M19326+167#11770#11603
20M → 21M14864+84#11603#11519
21M → 35K6545+20#11519#11499
35K → 23M16453+111#11499#11388
23M → 24M16318+145#11388#11243
24M → 40K13021+109#11243#11134
40K → 25.2M5313+40#11134#11094
25.2M → Finish12027+93#11094#11001
TOTALS20641390+674

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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