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BOSTON MARATHON 2025

Kathryn Sutherland

Bib: 29869•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
33:15
Rank: #27119
Start → 5K
10:42/mi
33:15 split
10K· 6.21 mi
1:07:19
Rank: #27082 (+37)
5K → 10K
10:58/mi
34:04 split
15K· 9.32 mi
1:41:46
Rank: #26960 (+122)
10K → 15K
11:05/mi
34:27 split
20K· 12.43 mi
2:17:50
Rank: #26911 (+49)
15K → 20K
11:37/mi
36:04 split
Half· 13.11 mi
2:25:24
Rank: #26890 (+21)
20K → Half
11:05/mi
7:34 split
25K· 15.53 mi
2:54:02
Rank: #26778 (+112)
Half → 25K
11:49/mi
28:38 split
30K· 18.64 mi
3:30:35
Rank: #26537 (+241)
25K → 30K
11:46/mi
36:33 split
20M
3:46:34
Rank: #26424 (+113)
30K → 20M
11:46/mi
15:59 split
21M
3:57:37
Rank: #26221 (+203)
20M → 21M
11:03/mi
11:03 split
35K· 21.75 mi
4:05:28
Rank: #26125 (+96)
21M → 35K
10:30/mi
7:51 split
23M
4:19:21
Rank: #26009 (+116)
35K → 23M
11:05/mi
13:53 split
24M
4:30:16
Rank: #25946 (+63)
23M → 24M
10:55/mi
10:55 split
40K· 24.85 mi
4:39:44
Rank: #25887 (+59)
24M → 40K
11:04/mi
9:28 split
25.2M
4:43:51
Rank: #25859 (+28)
40K → 25.2M
11:56/mi
4:07 split
Finish· 26.22 mi
4:54:11
Rank: #25799 (+60)
25.2M → Finish
10:08/mi
10:20 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:24
Pace11:05 /mi
2nd Half
Distance13.11 mi
Time2:28:47
Pace11:21 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:2833:1510:4233:15
10:42
-
10K
6.21 mi12:31:321:07:1910:5034:04
10:58
+0:16
15K
9.32 mi13:05:591:41:4610:5534:27
11:05
+0:07
20K
12.43 mi13:42:032:17:5011:0536:04
11:37
+0:32
Half
13.11 mi13:49:372:25:2411:057:34
11:05
-0:32
25K
15.53 mi14:18:152:54:0211:1228:38
11:49
+0:44
30K
18.64 mi14:54:483:30:3511:1836:33
11:46
-0:03
20M
20.00 mi15:10:473:46:3411:2015:59
11:46
0:00
21M
21.00 mi15:21:503:57:3711:1911:03
11:03
-0:43
35K
21.75 mi15:29:414:05:2811:177:51
10:30
-0:33
23M
23.00 mi15:43:344:19:2111:1713:53
11:05
+0:35
24M
24.00 mi15:54:294:30:1611:1610:55
10:55
-0:10
40K
24.85 mi16:03:574:39:4411:159:28
11:04
+0:09
25.2M
25.20 mi16:08:044:43:5111:164:07
11:56
+0:52
Finish
26.22 mi16:18:244:54:1111:1410:20
10:08
-1:48

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

10:08 /mi

Average Pace

11:14 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:50

59% of race

Time at Steady Pace

2:01:21

41% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:13 /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 mi11:57:2833:1510:4233:15
10:42
#27119
10K
6.21 mi12:31:321:07:1910:5034:04
10:58
#27082
15K
9.32 mi13:05:591:41:4610:5534:27
11:05
#26960
20K
12.43 mi13:42:032:17:5011:0536:04
11:37
#26911
Half
13.11 mi13:49:372:25:2411:057:34
11:05
#26890
25K
15.53 mi14:18:152:54:0211:1228:38
11:49
#26778
30K
18.64 mi14:54:483:30:3511:1836:33
11:46
#26537
20M
20.00 mi15:10:473:46:3411:2015:59
11:46
#26424
21M
21.00 mi15:21:503:57:3711:1911:03
11:03
#26221
35K
21.75 mi15:29:414:05:2811:177:51
10:30
#26125
23M
23.00 mi15:43:344:19:2111:1713:53
11:05
#26009
24M
24.00 mi15:54:294:30:1611:1610:55
10:55
#25946
40K
24.85 mi16:03:574:39:4411:159:28
11:04
#25887
25.2M
25.20 mi16:08:044:43:5111:164:07
11:56
#25859
Finish
26.22 mi16:18:244:54:1111:1410:20
10:08
#25799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27119113981139826777(Top 94%)11242(Top 92%)11242(Top 206%)
10K6.21 mi3.10 mi27082+3711399-111399-127017(Top 95%)11380(Top 93%)11380(Top 208%)
15K9.32 mi3.11 mi26960+12211333+6611333+6626777(Top 94%)11242(Top 92%)11242(Top 206%)
20K12.43 mi3.11 mi26911+4911314+1911314+1926745(Top 94%)11241(Top 92%)11241(Top 206%)
Half13.11 mi0.68 mi26890+2111305+911305+926607(Top 94%)11178(Top 91%)11178(Top 204%)
25K15.53 mi2.42 mi26778+11211248+5711248+5726219(Top 92%)10982(Top 90%)10982(Top 201%)
30K18.64 mi3.11 mi26537+24111125+12311125+12325242(Top 89%)10527(Top 86%)10527(Top 192%)
20M20.00 mi1.36 mi26424+11311074+5111074+5124929(Top 88%)10437(Top 85%)10437(Top 191%)
21M21.00 mi1.00 mi26221+20310973+10110973+10121525(Top 76%)8727(Top 71%)8727(Top 160%)
35K21.75 mi0.75 mi26125+9610924+4910924+4923128(Top 81%)9624(Top 79%)9624(Top 176%)
23M23.00 mi1.25 mi26009+11610864+6010864+6023418(Top 82%)9816(Top 80%)9816(Top 179%)
24M24.00 mi1.00 mi25946+6310840+2410840+2423791(Top 84%)10025(Top 82%)10025(Top 183%)
40K24.85 mi0.85 mi25887+5910818+2210818+2223292(Top 82%)9850(Top 81%)9850(Top 180%)
25.2M25.20 mi0.35 mi25859+2810814+410814+423053(Top 81%)9696(Top 79%)9696(Top 177%)
Finish26.22 mi1.02 mi25799+6010793+2110793+2123326(Top 82%)9840(Top 80%)9840(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26777

Females

11242

F18-39

11242

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

27017

Females

11380

F18-39

11380

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26777

Females

11242

F18-39

11242

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26745

Females

11241

F18-39

11241

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26607

Females

11178

F18-39

11178

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26219

Females

10982

F18-39

10982

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25242

Females

10527

F18-39

10527

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

24929

Females

10437

F18-39

10437

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21525

Females

8727

F18-39

8727

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

23128

Females

9624

F18-39

9624

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23418

Females

9816

F18-39

9816

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23791

Females

10025

F18-39

10025

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23292

Females

9850

F18-39

9850

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23053

Females

9696

F18-39

9696

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23326

Females

9840

F18-39

9840

Passing Analysis

Category:
Athletes Passed
1656
Passed By
336
Net Change
+1320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27119
5K → 10K167130+37#27119#27082
10K → 15K17452+122#27082#26960
15K → 20K13283+49#26960#26911
20K → Half3110+21#26911#26890
Half → 25K13826+112#26890#26778
25K → 30K2498+241#26778#26537
30K → 20M1218+113#26537#26424
20M → 21M2030+203#26424#26221
21M → 35K982+96#26221#26125
35K → 23M1204+116#26125#26009
23M → 24M685+63#26009#25946
24M → 40K612+59#25946#25887
40K → 25.2M313+28#25887#25859
25.2M → Finish633+60#25859#25799
TOTALS1656336+1320
📊

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