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BOSTON MARATHON 2025

Sarah Bassett

Bib: 10462•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #5476
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:02
Rank: #4548 (+928)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:01:36
Rank: #4473 (+75)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:22:22
Rank: #4392 (+81)
15K → 20K
20:46 | 6:41/mi
Half· 13.11 mi
1:26:55
Rank: #4414 (-22)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:50
Rank: #4667 (-253)
Half → 25K
16:55 | 6:59/mi
30K· 18.64 mi
2:07:46
Rank: #5620 (-953)
25K → 30K
23:56 | 7:42/mi
20M
2:19:11
Rank: #6130 (-510)
30K → 20M
11:25 | 8:24/mi
21M
2:28:14
Rank: #6433 (-303)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:33:50
Rank: #6461 (-28)
21M → 35K
5:36 | 7:29/mi
23M
2:44:11
Rank: #6657 (-196)
35K → 23M
10:21 | 8:16/mi
24M
2:51:52
Rank: #6711 (-54)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
2:59:01
Rank: #6900 (-189)
24M → 40K
7:09 | 8:22/mi
25.2M
3:02:20
Rank: #7012 (-112)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:09:52
Rank: #7026 (-14)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:42:57
Pace7:51 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4620:496:4220:49
6:42
-
10K
6.21 mi11:06:5941:026:3620:13
6:30
-0:12
15K
9.32 mi11:27:331:01:366:3720:34
6:37
+0:07
20K
12.43 mi11:48:191:22:226:3820:46
6:41
+0:04
Half
13.11 mi11:52:521:26:556:384:33
6:40
-0:01
25K
15.53 mi12:09:471:43:506:4116:55
6:59
+0:19
30K
18.64 mi12:33:432:07:466:5123:56
7:42
+0:43
20M
20.00 mi12:45:082:19:116:5811:25
8:24
+0:42
21M
21.00 mi12:54:112:28:147:049:03
9:03
+0:39
35K
21.75 mi12:59:472:33:507:045:36
7:29
-1:34
23M
23.00 mi13:10:082:44:117:0810:21
8:16
+0:47
24M
24.00 mi13:17:492:51:527:107:41
7:41
-0:35
40K
24.85 mi13:24:582:59:017:127:09
8:22
+0:41
25.2M
25.20 mi13:28:173:02:207:143:19
9:37
+1:15
Finish
26.22 mi13:35:493:09:527:157:32
7:24
-2:13

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

6:30 /mi

Average Pace

7:15 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:50

55% of race

Time at Steady Pace

44:45

24% of race

Time at Slower Pace

41:17

22% of race

Average Pace: 7:14 /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 mi10:46:4620:496:4220:49
6:42
#5476
10K
6.21 mi11:06:5941:026:3620:13
6:30
#4548
15K
9.32 mi11:27:331:01:366:3720:34
6:37
#4473
20K
12.43 mi11:48:191:22:226:3820:46
6:41
#4392
Half
13.11 mi11:52:521:26:556:384:33
6:40
#4414
25K
15.53 mi12:09:471:43:506:4116:55
6:59
#4667
30K
18.64 mi12:33:432:07:466:5123:56
7:42
#5620
20M
20.00 mi12:45:082:19:116:5811:25
8:24
#6130
21M
21.00 mi12:54:112:28:147:049:03
9:03
#6433
35K
21.75 mi12:59:472:33:507:045:36
7:29
#6461
23M
23.00 mi13:10:082:44:117:0810:21
8:16
#6657
24M
24.00 mi13:17:492:51:527:107:41
7:41
#6711
40K
24.85 mi13:24:582:59:017:127:09
8:22
#6900
25.2M
25.20 mi13:28:173:02:207:143:19
9:37
#7012
Finish
26.22 mi13:35:493:09:527:157:32
7:24
#7026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi54763873874421(Top 16%)270(Top 2%)270(Top 5%)
10K6.21 mi3.10 mi4548+928270+117270+1173797(Top 13%)211(Top 2%)211(Top 4%)
15K9.32 mi3.11 mi4473+75262+8262+84421(Top 16%)270(Top 2%)270(Top 5%)
20K12.43 mi3.11 mi4392+81260+2260+24315(Top 15%)272(Top 2%)272(Top 5%)
Half13.11 mi0.68 mi4414-22263-3263-35124(Top 18%)389(Top 3%)389(Top 7%)
25K15.53 mi2.42 mi4667-253307-44307-446195(Top 22%)644(Top 5%)644(Top 12%)
30K18.64 mi3.11 mi5620-953472-165472-1659221(Top 32%)1927(Top 16%)1927(Top 35%)
20M20.00 mi1.36 mi6130-510599-127599-12713166(Top 46%)4058(Top 33%)4058(Top 74%)
21M21.00 mi1.00 mi6433-303679-80679-8013807(Top 49%)4513(Top 37%)4513(Top 83%)
35K21.75 mi0.75 mi6461-28698-19698-198529(Top 30%)1895(Top 15%)1895(Top 35%)
23M23.00 mi1.25 mi6657-196787-89787-8911826(Top 42%)3637(Top 30%)3637(Top 67%)
24M24.00 mi1.00 mi6711-54828-41828-419022(Top 32%)2330(Top 19%)2330(Top 43%)
40K24.85 mi0.85 mi6900-189910-82910-8212546(Top 44%)4199(Top 34%)4199(Top 77%)
25.2M25.20 mi0.35 mi7012-112964-54964-5415180(Top 53%)5621(Top 46%)5621(Top 103%)
Finish26.22 mi1.02 mi7026-14996-32996-328427(Top 30%)2238(Top 18%)2238(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4421

Females

270

F18-39

270

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3797

Females

211

F18-39

211

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4421

Females

270

F18-39

270

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4315

Females

272

F18-39

272

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5124

Females

389

F18-39

389

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6195

Females

644

F18-39

644

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

9221

Females

1927

F18-39

1927

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13166

Females

4058

F18-39

4058

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13807

Females

4513

F18-39

4513

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8529

Females

1895

F18-39

1895

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11826

Females

3637

F18-39

3637

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9022

Females

2330

F18-39

2330

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12546

Females

4199

F18-39

4199

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15180

Females

5621

F18-39

5621

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8427

Females

2238

F18-39

2238

Passing Analysis

Category:
Athletes Passed
1579
Passed By
3129
Net Change
-1550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5476
5K → 10K93911+928#5476#4548
10K → 15K14267+75#4548#4473
15K → 20K14261+81#4473#4392
20K → Half1133-22#4392#4414
Half → 25K57310-253#4414#4667
25K → 30K37990-953#4667#5620
30K → 20M6516-510#5620#6130
20M → 21M17320-303#6130#6433
21M → 35K3664-28#6433#6461
35K → 23M47243-196#6461#6657
23M → 24M52106-54#6657#6711
24M → 40K25214-189#6711#6900
40K → 25.2M5117-112#6900#7012
25.2M → Finish6377-14#7012#7026
TOTALS15793129-1550
📊

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