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BOSTON MARATHON 2025

Rebekah Smith

Bib: 15914•F

UT

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:06/mi
25:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
50:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:16:48
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:44:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:49:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:11:37
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:41:34
↑ 181↓ 1480.2%
20M
9:46/mi
2:54:51
↑ 64↓ 500.2%
21M
11:29/mi
3:06:20
↑ 106↓ 241.6%
35K· 21.75 mi
10:15/mi
3:14:00
↑ 17↓ 861.7%
23M
10:49/mi
3:27:33
↑ 23↓ 630.6%
24M
10:20/mi
3:37:53
↓ 821.3%
40K· 24.85 mi
9:47/mi
3:46:15
↓ 200.3%
25.2M
12:11/mi
3:50:27
↑ 13↓ 160.2%
Finish· 26.22 mi
9:02/mi
3:59:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:56
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:09:43
Pace9:54 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0925:118:0625:11
8:06
-
10K
6.21 mi11:49:4450:468:1025:35
8:14
+0:08
15K
9.32 mi12:15:461:16:488:1426:02
8:23
+0:09
20K
12.43 mi12:43:041:44:068:2327:18
8:47
+0:24
Half
13.11 mi12:48:541:49:568:235:50
8:33
-0:14
25K
15.53 mi13:10:352:11:378:2821:41
8:57
+0:24
30K
18.64 mi13:40:322:41:348:4029:57
9:38
+0:41
20M
20.00 mi13:53:492:54:518:4513:17
9:46
+0:08
21M
21.00 mi14:05:183:06:208:5211:29
11:29
+1:43
35K
21.75 mi14:12:583:14:008:557:40
10:15
-1:14
23M
23.00 mi14:26:313:27:339:0113:33
10:49
+0:34
24M
24.00 mi14:36:513:37:539:0510:20
10:20
-0:29
40K
24.85 mi14:45:133:46:159:068:22
9:47
-0:33
25.2M
25.20 mi14:49:253:50:279:094:12
12:11
+2:24
Finish
26.22 mi14:58:373:59:399:099:12
9:02
-3:09

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

8:06 /mi

Average Pace

9:09 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:49

59% of race

Time at Steady Pace

51:36

22% of race

Time at Slower Pace

47:14

20% of race

Average Pace: 9:08 /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 mi11:24:0925:118:0625:11
8:06
#17411
10K
6.21 mi11:49:4450:468:1025:35
8:14
#17781
15K
9.32 mi12:15:461:16:488:1426:02
8:23
#18039
20K
12.43 mi12:43:041:44:068:2327:18
8:47
#18495
Half
13.11 mi12:48:541:49:568:235:50
8:33
#18557
25K
15.53 mi13:10:352:11:378:2821:41
8:57
#18751
30K
18.64 mi13:40:322:41:348:4029:57
9:38
#19151
20M
20.00 mi13:53:492:54:518:4513:17
9:46
#19248
21M
21.00 mi14:05:183:06:208:5211:29
11:29
#19569
35K
21.75 mi14:12:583:14:008:557:40
10:15
#19736
23M
23.00 mi14:26:313:27:339:0113:33
10:49
#20030
24M
24.00 mi14:36:513:37:539:0510:20
10:20
#20188
40K
24.85 mi14:45:133:46:159:068:22
9:47
#20182
25.2M
25.20 mi14:49:253:50:279:094:12
12:11
#20294
Finish
26.22 mi14:58:373:59:399:099:12
9:02
#20293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi174115984598418589(Top 65%)6655(Top 54%)6655(Top 122%)
10K6.21 mi3.10 mi17781-3706196-2126196-21218145(Top 64%)6391(Top 52%)6391(Top 117%)
15K9.32 mi3.11 mi18039-2586358-1626358-16218589(Top 65%)6655(Top 54%)6655(Top 122%)
20K12.43 mi3.11 mi18495-4566618-2606618-26019882(Top 70%)7422(Top 61%)7422(Top 136%)
Half13.11 mi0.68 mi18557-626655-376655-3719586(Top 69%)7242(Top 59%)7242(Top 132%)
25K15.53 mi2.42 mi18751-1946774-1196774-11919670(Top 69%)7351(Top 60%)7351(Top 134%)
30K18.64 mi3.11 mi19151-4007045-2717045-27120515(Top 72%)7940(Top 65%)7940(Top 145%)
20M20.00 mi1.36 mi19248-977126-817126-8120222(Top 71%)7924(Top 65%)7924(Top 145%)
21M21.00 mi1.00 mi19569-3217330-2047330-20422589(Top 80%)9290(Top 76%)9290(Top 170%)
35K21.75 mi0.75 mi19736-1677437-1077437-10722560(Top 79%)9308(Top 76%)9308(Top 170%)
23M23.00 mi1.25 mi20030-2947633-1967633-19622800(Top 80%)9493(Top 78%)9493(Top 174%)
24M24.00 mi1.00 mi20188-1587745-1127745-11222351(Top 79%)9312(Top 76%)9312(Top 170%)
40K24.85 mi0.85 mi20182+67759-147759-1419782(Top 70%)8034(Top 66%)8034(Top 147%)
25.2M25.20 mi0.35 mi20294-1127822-637822-6323577(Top 83%)9954(Top 81%)9954(Top 182%)
Finish26.22 mi1.02 mi20293+17834-127834-1219213(Top 68%)7729(Top 63%)7729(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18589

Females

6655

F18-39

6655

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18145

Females

6391

F18-39

6391

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18589

Females

6655

F18-39

6655

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19882

Females

7422

F18-39

7422

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19586

Females

7242

F18-39

7242

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19670

Females

7351

F18-39

7351

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20515

Females

7940

F18-39

7940

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20222

Females

7924

F18-39

7924

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22589

Females

9290

F18-39

9290

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22560

Females

9308

F18-39

9308

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22800

Females

9493

F18-39

9493

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22351

Females

9312

F18-39

9312

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19782

Females

8034

F18-39

8034

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23577

Females

9954

F18-39

9954

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19213

Females

7729

F18-39

7729

Passing Analysis

Category:
Athletes Passed
908
Passed By
3790
Net Change
-2882
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17411
5K → 10K147517-370#17411#17781
10K → 15K113371-258#17781#18039
15K → 20K88544-456#18039#18495
20K → Half1880-62#18495#18557
Half → 25K107301-194#18557#18751
25K → 30K130530-400#18751#19151
30K → 20M75172-97#19151#19248
20M → 21M33354-321#19248#19569
21M → 35K14181-167#19569#19736
35K → 23M31325-294#19736#20030
23M → 24M20178-158#20030#20188
24M → 40K6660+6#20188#20182
40K → 25.2M11123-112#20182#20294
25.2M → Finish5554+1#20294#20293
TOTALS9083790-2882
📊

Passing Visuals

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