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BOSTON MARATHON 2025

Kathryn Healey

Bib: 19187•F

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:59/mi
24:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:14:05
↑ 67↓ 78
20K· 12.43 mi
7:57/mi
1:38:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:44:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:03:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:29:31
↑ 181↓ 1480.2%
20M
8:26/mi
2:40:59
↑ 64↓ 500.2%
21M
9:06/mi
2:50:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:56:18
↑ 17↓ 861.7%
23M
8:31/mi
3:06:58
↑ 23↓ 630.6%
24M
8:28/mi
3:15:26
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:22:43
↓ 200.3%
25.2M
9:37/mi
3:26:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:34:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:07
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:50:03
Pace8:24 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1624:497:5924:49
7:59
-
10K
6.21 mi11:40:1449:478:0124:58
8:02
+0:03
15K
9.32 mi12:04:321:14:057:5724:18
7:49
-0:13
20K
12.43 mi12:29:151:38:487:5724:43
7:57
+0:08
Half
13.11 mi12:34:341:44:077:575:19
7:48
-0:09
25K
15.53 mi12:54:032:03:367:5719:29
8:02
+0:14
30K
18.64 mi13:19:582:29:318:0125:55
8:21
+0:19
20M
20.00 mi13:31:262:40:598:0311:28
8:26
+0:05
21M
21.00 mi13:40:322:50:058:069:06
9:06
+0:40
35K
21.75 mi13:46:452:56:188:066:13
8:19
-0:47
23M
23.00 mi13:57:253:06:588:0810:40
8:31
+0:12
24M
24.00 mi14:05:533:15:268:098:28
8:28
-0:03
40K
24.85 mi14:13:103:22:438:097:17
8:31
+0:03
25.2M
25.20 mi14:16:293:26:028:113:19
9:37
+1:06
Finish
26.22 mi14:24:373:34:108:108:08
7:59
-1:38

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

7:48 /mi

Average Pace

8:10 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:44

62% of race

Time at Steady Pace

1:10:01

33% of race

Time at Slower Pace

12:25

6% of race

Average Pace: 8:10 /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 mi11:15:1624:497:5924:49
7:59
#16488
10K
6.21 mi11:40:1449:478:0124:58
8:02
#16612
15K
9.32 mi12:04:321:14:057:5724:18
7:49
#15905
20K
12.43 mi12:29:151:38:487:5724:43
7:57
#15548
Half
13.11 mi12:34:341:44:077:575:19
7:48
#15472
25K
15.53 mi12:54:032:03:367:5719:29
8:02
#15218
30K
18.64 mi13:19:582:29:318:0125:55
8:21
#14908
20M
20.00 mi13:31:262:40:598:0311:28
8:26
#14744
21M
21.00 mi13:40:322:50:058:069:06
9:06
#14671
35K
21.75 mi13:46:452:56:188:066:13
8:19
#14627
23M
23.00 mi13:57:253:06:588:0810:40
8:31
#14518
24M
24.00 mi14:05:533:15:268:098:28
8:28
#14502
40K
24.85 mi14:13:103:22:438:097:17
8:31
#14427
25.2M
25.20 mi14:16:293:26:028:113:19
9:37
#14429
Finish
26.22 mi14:24:373:34:108:108:08
7:59
#14340
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164885439543914572(Top 51%)4351(Top 36%)4351(Top 80%)
10K6.21 mi3.10 mi16612-1245500-615500-6116749(Top 59%)5563(Top 45%)5563(Top 102%)
15K9.32 mi3.11 mi15905+7075085+4155085+41514572(Top 51%)4351(Top 36%)4351(Top 80%)
20K12.43 mi3.11 mi15548+3574894+1914894+19114592(Top 51%)4425(Top 36%)4425(Top 81%)
Half13.11 mi0.68 mi15472+764846+484846+4814275(Top 50%)4226(Top 35%)4226(Top 77%)
25K15.53 mi2.42 mi15218+2544733+1134733+11314189(Top 50%)4302(Top 35%)4302(Top 79%)
30K18.64 mi3.11 mi14908+3104621+1124621+11213770(Top 48%)4242(Top 35%)4242(Top 78%)
20M20.00 mi1.36 mi14744+1644552+694552+6913420(Top 47%)4206(Top 34%)4206(Top 77%)
21M21.00 mi1.00 mi14671+734538+144538+1414126(Top 50%)4699(Top 38%)4699(Top 86%)
35K21.75 mi0.75 mi14627+444523+154523+1514331(Top 50%)4862(Top 40%)4862(Top 89%)
23M23.00 mi1.25 mi14518+1094495+284495+2813443(Top 47%)4495(Top 37%)4495(Top 82%)
24M24.00 mi1.00 mi14502+164514-194514-1914309(Top 50%)4978(Top 41%)4978(Top 91%)
40K24.85 mi0.85 mi14427+754510+44510+413575(Top 48%)4741(Top 39%)4741(Top 87%)
25.2M25.20 mi0.35 mi14429-24520-104520-1015207(Top 54%)5648(Top 46%)5648(Top 103%)
Finish26.22 mi1.02 mi14340+894504+164504+1612783(Top 45%)4326(Top 35%)4326(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14572

Females

4351

F18-39

4351

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16749

Females

5563

F18-39

5563

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14572

Females

4351

F18-39

4351

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

14592

Females

4425

F18-39

4425

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14275

Females

4226

F18-39

4226

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14189

Females

4302

F18-39

4302

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13770

Females

4242

F18-39

4242

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13420

Females

4206

F18-39

4206

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14126

Females

4699

F18-39

4699

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14331

Females

4862

F18-39

4862

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13443

Females

4495

F18-39

4495

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14309

Females

4978

F18-39

4978

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13575

Females

4741

F18-39

4741

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15207

Females

5648

F18-39

5648

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12783

Females

4326

F18-39

4326

Passing Analysis

Category:
Athletes Passed
3085
Passed By
937
Net Change
+2148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16488
5K → 10K250374-124#16488#16612
10K → 15K71710+707#16612#15905
15K → 20K41053+357#15905#15548
20K → Half837+76#15548#15472
Half → 25K30349+254#15472#15218
25K → 30K40797+310#15218#14908
30K → 20M20541+164#14908#14744
20M → 21M14370+73#14744#14671
21M → 35K9248+44#14671#14627
35K → 23M15142+109#14627#14518
23M → 24M6953+16#14518#14502
24M → 40K11338+75#14502#14427
40K → 25.2M2830-2#14427#14429
25.2M → Finish11425+89#14429#14340
TOTALS3085937+2148
📊

Passing Visuals

Category:
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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