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BOSTON MARATHON 2025

Katherine Hyson

Bib: 27093•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
35:17
Rank: #27903
Start → 5K
35:17 | 11:21/mi
10K· 6.21 mi
1:11:04
Rank: #27765 (+138)
5K → 10K
35:47 | 11:31/mi
15K· 9.32 mi
1:45:44
Rank: #27482 (+283)
10K → 15K
34:40 | 11:09/mi
20K· 12.43 mi
2:21:46
Rank: #27282 (+200)
15K → 20K
36:02 | 11:36/mi
Half· 13.11 mi
2:29:10
Rank: #27234 (+48)
20K → Half
7:24 | 10:51/mi
25K· 15.53 mi
2:56:31
Rank: #26975 (+259)
Half → 25K
27:21 | 11:17/mi
30K· 18.64 mi
3:33:30
Rank: #26717 (+258)
25K → 30K
36:59 | 11:54/mi
20M
3:50:02
Rank: #26643 (+74)
30K → 20M
16:32 | 12:10/mi
21M
4:03:43
Rank: #26614 (+29)
20M → 21M
13:41 | 13:41/mi
35K· 21.75 mi
4:14:01
Rank: #26678 (-64)
21M → 35K
10:18 | 13:46/mi
23M
4:28:58
Rank: #26595 (+83)
35K → 23M
14:57 | 11:56/mi
24M
4:40:23
Rank: #26541 (+54)
23M → 24M
11:25 | 11:25/mi
40K· 24.85 mi
4:50:38
Rank: #26518 (+23)
24M → 40K
10:15 | 11:59/mi
25.2M
4:55:07
Rank: #26498 (+20)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
5:06:16
Rank: #26458 (+40)
25.2M → Finish
11:09 | 10:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:29:10
Pace11:23 /mi
2nd Half
Distance13.11 mi
Time2:37:06
Pace11:59 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4935:1711:2135:17
11:21
-
10K
6.21 mi12:27:361:11:0411:2635:47
11:31
+0:10
15K
9.32 mi13:02:161:45:4411:2134:40
11:09
-0:22
20K
12.43 mi13:38:182:21:4611:2436:02
11:36
+0:27
Half
13.11 mi13:45:422:29:1011:237:24
10:51
-0:45
25K
15.53 mi14:13:032:56:3111:2227:21
11:17
+0:26
30K
18.64 mi14:50:023:33:3011:2736:59
11:54
+0:37
20M
20.00 mi15:06:343:50:0211:3016:32
12:10
+0:16
21M
21.00 mi15:20:154:03:4311:3613:41
13:41
+1:31
35K
21.75 mi15:30:334:14:0111:4110:18
13:46
+0:05
23M
23.00 mi15:45:304:28:5811:4214:57
11:56
-1:50
24M
24.00 mi15:56:554:40:2311:4111:25
11:25
-0:31
40K
24.85 mi16:07:104:50:3811:4210:15
11:59
+0:34
25.2M
25.20 mi16:11:394:55:0711:434:29
13:00
+1:01
Finish
26.22 mi16:22:485:06:1611:4111:09
10:56
-2:04

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

10:51 /mi

Average Pace

11:41 /mi

Slowest Pace

13:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:13

17% of race

Time at Steady Pace

3:28:03

68% of race

Time at Slower Pace

45:00

15% of race

Average Pace: 11:41 /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 mi11:51:4935:1711:2135:17
11:21
#27903
10K
6.21 mi12:27:361:11:0411:2635:47
11:31
#27765
15K
9.32 mi13:02:161:45:4411:2134:40
11:09
#27482
20K
12.43 mi13:38:182:21:4611:2436:02
11:36
#27282
Half
13.11 mi13:45:422:29:1011:237:24
10:51
#27234
25K
15.53 mi14:13:032:56:3111:2227:21
11:17
#26975
30K
18.64 mi14:50:023:33:3011:2736:59
11:54
#26717
20M
20.00 mi15:06:343:50:0211:3016:32
12:10
#26643
21M
21.00 mi15:20:154:03:4311:3613:41
13:41
#26614
35K
21.75 mi15:30:334:14:0111:4110:18
13:46
#26678
23M
23.00 mi15:45:304:28:5811:4214:57
11:56
#26595
24M
24.00 mi15:56:554:40:2311:4111:25
11:25
#26541
40K
24.85 mi16:07:104:50:3811:4210:15
11:59
#26518
25.2M
25.20 mi16:11:394:55:0711:434:29
13:00
#26498
Finish
26.22 mi16:22:485:06:1611:4111:09
10:56
#26458
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27903118971189726879(Top 95%)11307(Top 92%)11307(Top 207%)
10K6.21 mi3.10 mi27765+13811809+8811809+8827614(Top 97%)11733(Top 96%)11733(Top 215%)
15K9.32 mi3.11 mi27482+28311645+16411645+16426879(Top 95%)11307(Top 92%)11307(Top 207%)
20K12.43 mi3.11 mi27282+20011533+11211533+11226733(Top 94%)11235(Top 92%)11235(Top 205%)
Half13.11 mi0.68 mi27234+4811507+2611507+2626312(Top 93%)11005(Top 90%)11005(Top 201%)
25K15.53 mi2.42 mi26975+25911367+14011367+14025583(Top 90%)10624(Top 87%)10624(Top 194%)
30K18.64 mi3.11 mi26717+25811238+12911238+12925453(Top 90%)10651(Top 87%)10651(Top 195%)
20M20.00 mi1.36 mi26643+7411199+3911199+3925489(Top 90%)10749(Top 88%)10749(Top 197%)
21M21.00 mi1.00 mi26614+2911192+711192+725847(Top 91%)10968(Top 90%)10968(Top 201%)
35K21.75 mi0.75 mi26678-6411239-4711239-4727542(Top 97%)11879(Top 97%)11879(Top 217%)
23M23.00 mi1.25 mi26595+8311207+3211207+3225026(Top 88%)10621(Top 87%)10621(Top 194%)
24M24.00 mi1.00 mi26541+5411180+2711180+2724734(Top 87%)10515(Top 86%)10515(Top 192%)
40K24.85 mi0.85 mi26518+2311168+1211168+1224893(Top 88%)10627(Top 87%)10627(Top 194%)
25.2M25.20 mi0.35 mi26498+2011160+811160+825013(Top 88%)10699(Top 87%)10699(Top 196%)
Finish26.22 mi1.02 mi26458+4011143+1711143+1725241(Top 89%)10772(Top 88%)10772(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

26879

Females

11307

F18-39

11307

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

27614

Females

11733

F18-39

11733

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

26879

Females

11307

F18-39

11307

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26733

Females

11235

F18-39

11235

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26312

Females

11005

F18-39

11005

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25583

Females

10624

F18-39

10624

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25453

Females

10651

F18-39

10651

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

25489

Females

10749

F18-39

10749

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

25847

Females

10968

F18-39

10968

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27542

Females

11879

F18-39

11879

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

25026

Females

10621

F18-39

10621

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24734

Females

10515

F18-39

10515

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24893

Females

10627

F18-39

10627

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25013

Females

10699

F18-39

10699

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

25241

Females

10772

F18-39

10772

Passing Analysis

Category:
Athletes Passed
1654
Passed By
209
Net Change
+1445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27903
5K → 10K17133+138#27903#27765
10K → 15K2830+283#27765#27482
15K → 20K21515+200#27482#27282
20K → Half513+48#27282#27234
Half → 25K2623+259#27234#26975
25K → 30K2635+258#26975#26717
30K → 20M839+74#26717#26643
20M → 21M5324+29#26643#26614
21M → 35K872-64#26614#26678
35K → 23M918+83#26678#26595
23M → 24M6511+54#26595#26541
24M → 40K3411+23#26541#26518
40K → 25.2M266+20#26518#26498
25.2M → Finish499+40#26498#26458
TOTALS1654209+1445
📊

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