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BOSTON MARATHON 2025

Sarah Peters

Bib: 17102•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #12092
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
45:38
Rank: #10718 (+1374)
5K → 10K
22:23 | 7:12/mi
15K· 9.32 mi
1:08:08
Rank: #10298 (+420)
10K → 15K
22:30 | 7:15/mi
20K· 12.43 mi
1:30:52
Rank: #9979 (+319)
15K → 20K
22:44 | 7:19/mi
Half· 13.11 mi
1:35:39
Rank: #9842 (+137)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:53:11
Rank: #9454 (+388)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:17:33
Rank: #9516 (-62)
25K → 30K
24:22 | 7:51/mi
20M
2:27:50
Rank: #9321 (+195)
30K → 20M
10:17 | 7:34/mi
21M
2:35:34
Rank: #9048 (+273)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:40:58
Rank: #8916 (+132)
21M → 35K
5:24 | 7:13/mi
23M
2:50:22
Rank: #8712 (+204)
35K → 23M
9:24 | 7:30/mi
24M
2:57:31
Rank: #8487 (+225)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
3:03:59
Rank: #8385 (+102)
24M → 40K
6:28 | 7:34/mi
25.2M
3:06:38
Rank: #8276 (+109)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:13:24
Rank: #8037 (+239)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:39
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:37:45
Pace7:27 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4223:157:2923:15
7:29
-
10K
6.21 mi11:36:0545:387:2122:23
7:12
-0:17
15K
9.32 mi11:58:351:08:087:1922:30
7:15
+0:03
20K
12.43 mi12:21:191:30:527:1922:44
7:19
+0:04
Half
13.11 mi12:26:061:35:397:184:47
7:01
-0:18
25K
15.53 mi12:43:381:53:117:1717:32
7:14
+0:13
30K
18.64 mi13:08:002:17:337:2324:22
7:51
+0:37
20M
20.00 mi13:18:172:27:507:2310:17
7:34
-0:17
21M
21.00 mi13:26:012:35:347:247:44
7:44
+0:10
35K
21.75 mi13:31:252:40:587:245:24
7:13
-0:31
23M
23.00 mi13:40:492:50:227:249:24
7:30
+0:17
24M
24.00 mi13:47:582:57:317:247:09
7:09
-0:21
40K
24.85 mi13:54:263:03:597:246:28
7:34
+0:25
25.2M
25.20 mi13:57:053:06:387:242:39
7:41
+0:07
Finish
26.22 mi14:03:513:13:247:236:46
6:38
-1:03

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

6:38 /mi

Average Pace

7:23 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:31

45% of race

Time at Steady Pace

1:22:31

43% of race

Time at Slower Pace

24:22

13% of race

Average Pace: 7:23 /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 mi11:13:4223:157:2923:15
7:29
#12092
10K
6.21 mi11:36:0545:387:2122:23
7:12
#10718
15K
9.32 mi11:58:351:08:087:1922:30
7:15
#10298
20K
12.43 mi12:21:191:30:527:1922:44
7:19
#9979
Half
13.11 mi12:26:061:35:397:184:47
7:01
#9842
25K
15.53 mi12:43:381:53:117:1717:32
7:14
#9454
30K
18.64 mi13:08:002:17:337:2324:22
7:51
#9516
20M
20.00 mi13:18:172:27:507:2310:17
7:34
#9321
21M
21.00 mi13:26:012:35:347:247:44
7:44
#9048
35K
21.75 mi13:31:252:40:587:245:24
7:13
#8916
23M
23.00 mi13:40:492:50:227:249:24
7:30
#8712
24M
24.00 mi13:47:582:57:317:247:09
7:09
#8487
40K
24.85 mi13:54:263:03:597:246:28
7:34
#8385
25.2M
25.20 mi13:57:053:06:387:242:39
7:41
#8276
Finish
26.22 mi14:03:513:13:247:236:46
6:38
#8037
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12092284128419494(Top 33%)1646(Top 13%)1646(Top 30%)
10K6.21 mi3.10 mi10718+13742163+6782163+6789537(Top 34%)1613(Top 13%)1613(Top 29%)
15K9.32 mi3.11 mi10298+4201971+1921971+1929494(Top 33%)1646(Top 13%)1646(Top 30%)
20K12.43 mi3.11 mi9979+3191855+1161855+1169199(Top 32%)1608(Top 13%)1608(Top 29%)
Half13.11 mi0.68 mi9842+1371795+601795+607737(Top 27%)998(Top 8%)998(Top 18%)
25K15.53 mi2.42 mi9454+3881656+1391656+1397853(Top 28%)1162(Top 10%)1162(Top 21%)
30K18.64 mi3.11 mi9516-621733-771733-7710238(Top 36%)2397(Top 20%)2397(Top 44%)
20M20.00 mi1.36 mi9321+1951685+481685+487475(Top 26%)1332(Top 11%)1332(Top 24%)
21M21.00 mi1.00 mi9048+2731593+921593+925861(Top 21%)879(Top 7%)879(Top 16%)
35K21.75 mi0.75 mi8916+1321560+331560+336781(Top 24%)1202(Top 10%)1202(Top 22%)
23M23.00 mi1.25 mi8712+2041515+451515+456685(Top 24%)1260(Top 10%)1260(Top 23%)
24M24.00 mi1.00 mi8487+2251461+541461+545554(Top 20%)912(Top 7%)912(Top 17%)
40K24.85 mi0.85 mi8385+1021453+81453+87203(Top 25%)1633(Top 13%)1633(Top 30%)
25.2M25.20 mi0.35 mi8276+1091425+281425+284365(Top 15%)687(Top 6%)687(Top 13%)
Finish26.22 mi1.02 mi8037+2391365+601365+603602(Top 13%)456(Top 4%)456(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9494

Females

1646

F18-39

1646

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9537

Females

1613

F18-39

1613

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9494

Females

1646

F18-39

1646

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9199

Females

1608

F18-39

1608

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7737

Females

998

F18-39

998

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7853

Females

1162

F18-39

1162

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10238

Females

2397

F18-39

2397

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7475

Females

1332

F18-39

1332

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5861

Females

879

F18-39

879

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6781

Females

1202

F18-39

1202

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6685

Females

1260

F18-39

1260

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5554

Females

912

F18-39

912

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7203

Females

1633

F18-39

1633

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4365

Females

687

F18-39

687

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3602

Females

456

F18-39

456

Passing Analysis

Category:
Athletes Passed
4487*
Passed By
432
Net Change
+4055
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12092
5K → 10K139117+1374#12092#10718
10K → 15K44020+420#10718#10298
15K → 20K35940+319#10298#9979
20K → Half137*0+137#9979#9842
Half → 25K3979+388#9842#9454
25K → 30K202264-62#9454#9516
30K → 20M21318+195#9516#9321
20M → 21M2752+273#9321#9048
21M → 35K1408+132#9048#8916
35K → 23M22723+204#8916#8712
23M → 24M2283+225#8712#8487
24M → 40K12321+102#8487#8385
40K → 25.2M1101+109#8385#8276
25.2M → Finish2456+239#8276#8037
TOTALS4487*432+4055

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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