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BOSTON MARATHON 2025

Annabel Silbersher

NY

Bib: 26961 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:16/mi
28:48
↑ 97↓ 345
10K· 6.21 mi
8:51/mi
56:19
↑ 79↓ 138
15K· 9.32 mi
8:35/mi
1:22:59
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:50:04
↑ 106↓ 86
Half· 13.11 mi
8:26/mi
1:55:49
↑ 19↓ 37
25K· 15.53 mi
8:38/mi
2:16:45
↑ 66↓ 88
30K· 18.64 mi
8:44/mi
2:43:54
↑ 181↓ 148
20M
8:41/mi
2:55:42
↑ 64↓ 50
21M
8:57/mi
3:04:39
↑ 106↓ 24
35K· 21.75 mi
8:13/mi
3:10:48
↑ 17↓ 86
23M
8:34/mi
3:21:32
↑ 23↓ 63
24M
8:41/mi
3:30:13
↓ 82
40K· 24.85 mi
8:47/mi
3:37:44
↓ 20
25.2M
9:25/mi
3:40:59
↑ 13↓ 16
Finish· 26.22 mi
8:19/mi
3:49:28
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:55:498:50 /mi+1.9%
2nd Half
1:53:398:40 /mi✓ faster
Negative split — 1.9% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
28:489:163.11 mi28:48
9:16
-
10K
56:199:043.10 mi27:31
8:51
-0:25
15K
1:22:598:543.11 mi26:40
8:35
-0:16
20K
1:50:048:513.11 mi27:05
8:43
+0:08
Half(13.11 mi)
1:55:498:500.68 mi5:45
8:26
-0:17
25K
2:16:458:482.42 mi20:56
8:38
+0:12
30K
2:43:548:483.11 mi27:09
8:44
+0:06
20M
2:55:428:471.36 mi11:48
8:41
-0:03
21M
3:04:398:481.00 mi8:57
8:57
+0:16
35K
3:10:488:460.75 mi6:09
8:13
-0:44
23M
3:21:328:461.25 mi10:44
8:34
+0:21
24M
3:30:138:461.00 mi8:41
8:41
+0:07
40K
3:37:448:460.85 mi7:31
8:47
+0:06
25.2M
3:40:598:460.35 mi3:15
9:25
+0:38
Finish(26.22 mi)
3:49:288:451.02 mi8:29
8:19
-1:06
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:13 /mi

Average Pace

8:45 /mi

Slowest Pace

9:25 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:17:25

86% of race

Time at Steady Pace

32:03

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi23469942194211983073467346
10K3.10 mi22678+7918977+4448977+4442167784058405
15K3.11 mi21830+8488507+4708507+4701983073467346
20K3.11 mi21210+6208148+3598148+3591950171997199
Half(13.11 mi)0.68 mi21106+1048082+668082+661878067746774
25K2.42 mi20642+4647843+2397843+2391802164426442
30K3.11 mi19832+8107420+4237420+4231623656105610
20M1.36 mi19484+3487255+1657255+1651499450535053
21M1.00 mi19136+3487074+1817074+1811325942584258
35K0.75 mi18959+1777000+747000+741382946094609
23M1.25 mi18656+3036856+1446856+1441379547044704
24M1.00 mi18519+1376805+516805+511567957455745
40K0.85 mi18378+1416755+506755+501518556295629
25.2M0.35 mi18306+726728+276728+271428252025202
Finish(26.22 mi)1.02 mi18202+1046681+476681+471512255595559

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19830

Females

7346

F18-39

7346

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21677

Females

8405

F18-39

8405

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19830

Females

7346

F18-39

7346

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19501

Females

7199

F18-39

7199

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18780

Females

6774

F18-39

6774

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

18021

Females

6442

F18-39

6442

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16236

Females

5610

F18-39

5610

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14994

Females

5053

F18-39

5053

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13259

Females

4258

F18-39

4258

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13829

Females

4609

F18-39

4609

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13795

Females

4704

F18-39

4704

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15679

Females

5745

F18-39

5745

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15185

Females

5629

F18-39

5629

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14282

Females

5202

F18-39

5202

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

15122

Females

5559

F18-39

5559

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#23469
5K → 10K
20811+791
#23469 → #22678
10K → 15K
9857+848
#22678 → #21830
15K → 20K
10630+620
#21830 → #21210
20K → Half
7111+104
#21210 → #21106
Half → 25K
4468+464
#21106 → #20642
25K → 30K
0810+810
#20642 → #19832
30K → 20M
1349+348
#19832 → #19484
20M → 21M
1349+348
#19484 → #19136
21M → 35K
2179+177
#19136 → #18959
35K → 23M
4307+303
#18959 → #18656
23M → 24M
10147+137
#18656 → #18519
24M → 40K
12153+141
#18519 → #18378
40K → 25.2M
274+72
#18378 → #18306
25.2M → Finish
21125+104
#18306 → #18202
TOTALS
1035370+5267
#23469 → #18202

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing