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BOSTON MARATHON 2025

Sarah-Jo Sinnott

Bib: 18862•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:12
Rank: #17435
Start → 5K
25:12 | 8:07/mi
10K· 6.21 mi
50:03
Rank: #16940 (+495)
5K → 10K
24:51 | 8:00/mi
15K· 9.32 mi
1:14:43
Rank: #16459 (+481)
10K → 15K
24:40 | 7:56/mi
20K· 12.43 mi
1:39:01
Rank: #15695 (+764)
15K → 20K
24:18 | 7:49/mi
Half· 13.11 mi
1:44:16
Rank: #15571 (+124)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:03:08
Rank: #14963 (+608)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:28:02
Rank: #14204 (+759)
25K → 30K
24:54 | 8:01/mi
20M
2:39:06
Rank: #13955 (+249)
30K → 20M
11:04 | 8:09/mi
21M
2:47:42
Rank: #13750 (+205)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:53:25
Rank: #13579 (+171)
21M → 35K
5:43 | 7:38/mi
23M
3:03:25
Rank: #13326 (+253)
35K → 23M
10:00 | 7:59/mi
24M
3:11:09
Rank: #13142 (+184)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:17:57
Rank: #13005 (+137)
24M → 40K
6:48 | 7:57/mi
25.2M
3:20:53
Rank: #12936 (+69)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:28:28
Rank: #12733 (+203)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:16
Pace7:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:12
Pace7:57 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0825:128:0725:12
8:07
-
10K
6.21 mi11:40:5950:038:0324:51
8:00
-0:07
15K
9.32 mi12:05:391:14:438:0124:40
7:56
-0:04
20K
12.43 mi12:29:571:39:017:5824:18
7:49
-0:07
Half
13.11 mi12:35:121:44:167:575:15
7:42
-0:07
25K
15.53 mi12:54:042:03:087:5618:52
7:47
+0:05
30K
18.64 mi13:18:582:28:027:5624:54
8:01
+0:14
20M
20.00 mi13:30:022:39:067:5711:04
8:09
+0:08
21M
21.00 mi13:38:382:47:427:598:36
8:36
+0:27
35K
21.75 mi13:44:212:53:257:585:43
7:38
-0:58
23M
23.00 mi13:54:213:03:257:5810:00
7:59
+0:21
24M
24.00 mi14:02:053:11:097:587:44
7:44
-0:15
40K
24.85 mi14:08:533:17:577:586:48
7:57
+0:13
25.2M
25.20 mi14:11:493:20:537:582:56
8:30
+0:33
Finish
26.22 mi14:19:243:28:287:577:35
7:26
-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

7:57 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:56

94% of race

Time at Steady Pace

11:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:16:0825:128:0725:12
8:07
#17435
10K
6.21 mi11:40:5950:038:0324:51
8:00
#16940
15K
9.32 mi12:05:391:14:438:0124:40
7:56
#16459
20K
12.43 mi12:29:571:39:017:5824:18
7:49
#15695
Half
13.11 mi12:35:121:44:167:575:15
7:42
#15571
25K
15.53 mi12:54:042:03:087:5618:52
7:47
#14963
30K
18.64 mi13:18:582:28:027:5624:54
8:01
#14204
20M
20.00 mi13:30:022:39:067:5711:04
8:09
#13955
21M
21.00 mi13:38:382:47:427:598:36
8:36
#13750
35K
21.75 mi13:44:212:53:257:585:43
7:38
#13579
23M
23.00 mi13:54:213:03:257:5810:00
7:59
#13326
24M
24.00 mi14:02:053:11:097:587:44
7:44
#13142
40K
24.85 mi14:08:533:17:577:586:48
7:57
#13005
25.2M
25.20 mi14:11:493:20:537:582:56
8:30
#12936
Finish
26.22 mi14:19:243:28:287:577:35
7:26
#12733
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi174355990599015570(Top 55%)4887(Top 40%)4887(Top 89%)
10K6.21 mi3.10 mi16940+4955685+3055685+30516472(Top 58%)5402(Top 44%)5402(Top 99%)
15K9.32 mi3.11 mi16459+4815411+2745411+27415570(Top 55%)4887(Top 40%)4887(Top 89%)
20K12.43 mi3.11 mi15695+7644978+4334978+43313458(Top 47%)3791(Top 31%)3791(Top 69%)
Half13.11 mi0.68 mi15571+1244909+694909+6913409(Top 47%)3720(Top 30%)3720(Top 68%)
25K15.53 mi2.42 mi14963+6084593+3164593+31612214(Top 43%)3235(Top 26%)3235(Top 59%)
30K18.64 mi3.11 mi14204+7594223+3704223+37011510(Top 41%)3046(Top 25%)3046(Top 56%)
20M20.00 mi1.36 mi13955+2494116+1074116+10711450(Top 40%)3167(Top 26%)3167(Top 58%)
21M21.00 mi1.00 mi13750+2054030+864030+8611123(Top 39%)3163(Top 26%)3163(Top 58%)
35K21.75 mi0.75 mi13579+1713961+693961+699710(Top 34%)2485(Top 20%)2485(Top 45%)
23M23.00 mi1.25 mi13326+2533854+1073854+1079965(Top 35%)2732(Top 22%)2732(Top 50%)
24M24.00 mi1.00 mi13142+1843787+673787+679399(Top 33%)2532(Top 21%)2532(Top 46%)
40K24.85 mi0.85 mi13005+1373740+473740+479908(Top 35%)2888(Top 24%)2888(Top 53%)
25.2M25.20 mi0.35 mi12936+693706+343706+348936(Top 31%)2520(Top 21%)2520(Top 46%)
Finish26.22 mi1.02 mi12733+2033622+843622+848825(Top 31%)2463(Top 20%)2463(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15570

Females

4887

F18-39

4887

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16472

Females

5402

F18-39

5402

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15570

Females

4887

F18-39

4887

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13458

Females

3791

F18-39

3791

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13409

Females

3720

F18-39

3720

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12214

Females

3235

F18-39

3235

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11510

Females

3046

F18-39

3046

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11450

Females

3167

F18-39

3167

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11123

Females

3163

F18-39

3163

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9710

Females

2485

F18-39

2485

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9965

Females

2732

F18-39

2732

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9399

Females

2532

F18-39

2532

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9908

Females

2888

F18-39

2888

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8936

Females

2520

F18-39

2520

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8825

Females

2463

F18-39

2463

Passing Analysis

Category:
Athletes Passed
4949
Passed By
247
Net Change
+4702
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17435
5K → 10K609114+495#17435#16940
10K → 15K51332+481#16940#16459
15K → 20K7706+764#16459#15695
20K → Half1251+124#15695#15571
Half → 25K6146+608#15571#14963
25K → 30K7634+759#14963#14204
30K → 20M26516+249#14204#13955
20M → 21M22621+205#13955#13750
21M → 35K1721+171#13750#13579
35K → 23M26411+253#13579#13326
23M → 24M1895+184#13326#13142
24M → 40K15215+137#13142#13005
40K → 25.2M756+69#13005#12936
25.2M → Finish2129+203#12936#12733
TOTALS4949247+4702
📊

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