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BOSTON MARATHON 2025

Sophie Spaulding

Bib: 27040•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:32
Rank: #21815
Start → 5K
8:52/mi
27:32 split
10K· 6.21 mi
54:23
Rank: #21182 (+633)
5K → 10K
8:39/mi
26:51 split
15K· 9.32 mi
1:21:20
Rank: #20890 (+292)
10K → 15K
8:40/mi
26:57 split
20K· 12.43 mi
1:48:45
Rank: #20682 (+208)
15K → 20K
8:49/mi
27:25 split
Half· 13.11 mi
1:54:55
Rank: #20757 (-75)
20K → Half
9:02/mi
6:10 split
25K· 15.53 mi
2:17:02
Rank: #20721 (+36)
Half → 25K
9:07/mi
22:07 split
30K· 18.64 mi
2:47:43
Rank: #20858 (-137)
25K → 30K
9:53/mi
30:41 split
20M
3:00:17
Rank: #20620 (+238)
30K → 20M
9:15/mi
12:34 split
21M
3:09:43
Rank: #20358 (+262)
20M → 21M
9:26/mi
9:26 split
35K· 21.75 mi
3:16:25
Rank: #20263 (+95)
21M → 35K
8:57/mi
6:42 split
23M
3:27:37
Rank: #20046 (+217)
35K → 23M
8:57/mi
11:12 split
24M
3:36:26
Rank: #19882 (+164)
23M → 24M
8:49/mi
8:49 split
40K· 24.85 mi
3:43:52
Rank: #19717 (+165)
24M → 40K
8:42/mi
7:26 split
25.2M
3:47:13
Rank: #19650 (+67)
40K → 25.2M
9:43/mi
3:21 split
Finish· 26.22 mi
3:55:37
Rank: #19482 (+168)
25.2M → Finish
8:15/mi
8:24 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:55
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:00:42
Pace9:12 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3227:328:5227:32
8:52
-
10K
6.21 mi12:10:2354:238:4526:51
8:39
-0:13
15K
9.32 mi12:37:201:21:208:4426:57
8:40
+0:01
20K
12.43 mi13:04:451:48:458:4527:25
8:49
+0:09
Half
13.11 mi13:10:551:54:558:466:10
9:02
+0:13
25K
15.53 mi13:33:022:17:028:4922:07
9:07
+0:05
30K
18.64 mi14:03:432:47:439:0030:41
9:53
+0:46
20M
20.00 mi14:16:173:00:179:0112:34
9:15
-0:38
21M
21.00 mi14:25:433:09:439:029:26
9:26
+0:11
35K
21.75 mi14:32:253:16:259:026:42
8:57
-0:29
23M
23.00 mi14:43:373:27:379:0211:12
8:57
0:00
24M
24.00 mi14:52:263:36:269:018:49
8:49
-0:08
40K
24.85 mi14:59:523:43:529:007:26
8:42
-0:07
25.2M
25.20 mi15:03:133:47:139:013:21
9:43
+1:01
Finish
26.22 mi15:11:373:55:379:008:24
8:15
-1:28

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

8:15 /mi

Average Pace

9:00 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:28

67% of race

Time at Steady Pace

47:28

20% of race

Time at Slower Pace

30:41

13% of race

Average Pace: 8:59 /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 mi11:43:3227:328:5227:32
8:52
#21815
10K
6.21 mi12:10:2354:238:4526:51
8:39
#21182
15K
9.32 mi12:37:201:21:208:4426:57
8:40
#20890
20K
12.43 mi13:04:451:48:458:4527:25
8:49
#20682
Half
13.11 mi13:10:551:54:558:466:10
9:02
#20757
25K
15.53 mi13:33:022:17:028:4922:07
9:07
#20721
30K
18.64 mi14:03:432:47:439:0030:41
9:53
#20858
20M
20.00 mi14:16:173:00:179:0112:34
9:15
#20620
21M
21.00 mi14:25:433:09:439:029:26
9:26
#20358
35K
21.75 mi14:32:253:16:259:026:42
8:57
#20263
23M
23.00 mi14:43:373:27:379:0211:12
8:57
#20046
24M
24.00 mi14:52:263:36:269:018:49
8:49
#19882
40K
24.85 mi14:59:523:43:529:007:26
8:42
#19717
25.2M
25.20 mi15:03:133:47:139:013:21
9:43
#19650
Finish
26.22 mi15:11:373:55:379:008:24
8:15
#19482
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi218158521852120335(Top 72%)7618(Top 62%)7618(Top 139%)
10K6.21 mi3.10 mi21182+6338153+3688153+36820571(Top 72%)7784(Top 64%)7784(Top 142%)
15K9.32 mi3.11 mi20890+2927982+1717982+17120335(Top 72%)7618(Top 62%)7618(Top 139%)
20K12.43 mi3.11 mi20682+2087860+1227860+12220076(Top 71%)7519(Top 61%)7519(Top 137%)
Half13.11 mi0.68 mi20757-757904-447904-4421981(Top 77%)8586(Top 70%)8586(Top 157%)
25K15.53 mi2.42 mi20721+367887+177887+1720454(Top 72%)7781(Top 64%)7781(Top 142%)
30K18.64 mi3.11 mi20858-1378014-1278014-12721236(Top 75%)8363(Top 68%)8363(Top 153%)
20M20.00 mi1.36 mi20620+2387901+1137901+11318054(Top 64%)6749(Top 55%)6749(Top 123%)
21M21.00 mi1.00 mi20358+2627775+1267775+12615814(Top 56%)5617(Top 46%)5617(Top 103%)
35K21.75 mi0.75 mi20263+957742+337742+3318052(Top 64%)6934(Top 57%)6934(Top 127%)
23M23.00 mi1.25 mi20046+2177643+997643+9915994(Top 56%)5894(Top 48%)5894(Top 108%)
24M24.00 mi1.00 mi19882+1647585+587585+5816453(Top 58%)6189(Top 51%)6189(Top 113%)
40K24.85 mi0.85 mi19717+1657505+807505+8014644(Top 52%)5343(Top 44%)5343(Top 98%)
25.2M25.20 mi0.35 mi19650+677478+277478+2715792(Top 56%)6003(Top 49%)6003(Top 110%)
Finish26.22 mi1.02 mi19482+1687398+807398+8014618(Top 51%)5286(Top 43%)5286(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20335

Females

7618

F18-39

7618

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20571

Females

7784

F18-39

7784

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20335

Females

7618

F18-39

7618

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20076

Females

7519

F18-39

7519

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21981

Females

8586

F18-39

8586

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20454

Females

7781

F18-39

7781

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21236

Females

8363

F18-39

8363

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18054

Females

6749

F18-39

6749

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15814

Females

5617

F18-39

5617

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18052

Females

6934

F18-39

6934

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15994

Females

5894

F18-39

5894

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16453

Females

6189

F18-39

6189

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14644

Females

5343

F18-39

5343

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15792

Females

6003

F18-39

6003

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14618

Females

5286

F18-39

5286

Passing Analysis

Category:
Athletes Passed
3138
Passed By
805
Net Change
+2333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21815
5K → 10K70370+633#21815#21182
10K → 15K35967+292#21182#20890
15K → 20K29284+208#20890#20682
20K → Half1489-75#20682#20757
Half → 25K170134+36#20757#20721
25K → 30K176313-137#20721#20858
30K → 20M2479+238#20858#20620
20M → 21M2664+262#20620#20358
21M → 35K10712+95#20358#20263
35K → 23M2225+217#20263#20046
23M → 24M1739+164#20046#19882
24M → 40K1661+165#19882#19717
40K → 25.2M692+67#19717#19650
25.2M → Finish1746+168#19650#19482
TOTALS3138805+2333
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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