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BOSTON MARATHON 2025

Caitlin Mckewan

Bib: 15888•F

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 38%
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
7:46/mi
24:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
47:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:10:47
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:34:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:39:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:58:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:23:49
↑ 181↓ 1480.2%
20M
8:01/mi
2:34:42
↑ 64↓ 500.2%
21M
8:27/mi
2:43:09
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:48:48
↑ 17↓ 861.7%
23M
7:45/mi
2:58:30
↑ 23↓ 630.6%
24M
7:37/mi
3:06:07
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:12:40
↓ 200.3%
25.2M
8:04/mi
3:15:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:08/mi
3:22:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:56
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:42:47
Pace7:50 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1024:087:4624:08
7:46
-
10K
6.21 mi11:19:2147:197:3723:11
7:28
-0:18
15K
9.32 mi11:42:491:10:477:3623:28
7:33
+0:05
20K
12.43 mi12:06:541:34:527:3824:05
7:45
+0:12
Half
13.11 mi12:11:581:39:567:375:04
7:26
-0:19
25K
15.53 mi12:30:311:58:297:3818:33
7:39
+0:13
30K
18.64 mi12:55:512:23:497:4325:20
8:09
+0:30
20M
20.00 mi13:06:442:34:427:4410:53
8:01
-0:08
21M
21.00 mi13:15:112:43:097:468:27
8:27
+0:26
35K
21.75 mi13:20:502:48:487:465:39
7:33
-0:54
23M
23.00 mi13:30:322:58:307:469:42
7:45
+0:12
24M
24.00 mi13:38:093:06:077:457:37
7:37
-0:08
40K
24.85 mi13:44:423:12:407:456:33
7:40
+0:03
25.2M
25.20 mi13:47:293:15:277:452:47
8:04
+0:24
Finish
26.22 mi13:54:453:22:437:447:16
7:08
-0:56

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

7:08 /mi

Average Pace

7:44 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:16

77% of race

Time at Steady Pace

39:00

19% of race

Time at Slower Pace

8:27

4% of race

Average Pace: 7:44 /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 mi10:56:1024:087:4624:08
7:46
#14516
10K
6.21 mi11:19:2147:197:3723:11
7:28
#13173
15K
9.32 mi11:42:491:10:477:3623:28
7:33
#12814
20K
12.43 mi12:06:541:34:527:3824:05
7:45
#12778
Half
13.11 mi12:11:581:39:567:375:04
7:26
#12693
25K
15.53 mi12:30:311:58:297:3818:33
7:39
#12412
30K
18.64 mi12:55:512:23:497:4325:20
8:09
#12396
20M
20.00 mi13:06:442:34:427:4410:53
8:01
#12197
21M
21.00 mi13:15:112:43:097:468:27
8:27
#12046
35K
21.75 mi13:20:502:48:487:465:39
7:33
#11906
23M
23.00 mi13:30:322:58:307:469:42
7:45
#11654
24M
24.00 mi13:38:093:06:077:457:37
7:37
#11450
40K
24.85 mi13:44:423:12:407:456:33
7:40
#11271
25.2M
25.20 mi13:47:293:15:277:452:47
8:04
#11168
Finish
26.22 mi13:54:453:22:437:447:16
7:08
#10946
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145164222422212221(Top 43%)3032(Top 25%)3032(Top 55%)
10K6.21 mi3.10 mi13173+13433445+7773445+77711746(Top 41%)2688(Top 22%)2688(Top 49%)
15K9.32 mi3.11 mi12814+3593280+1653280+16512221(Top 43%)3032(Top 25%)3032(Top 55%)
20K12.43 mi3.11 mi12778+363315-353315-3512863(Top 45%)3469(Top 28%)3469(Top 63%)
Half13.11 mi0.68 mi12693+853270+453270+4511179(Top 39%)2520(Top 21%)2520(Top 46%)
25K15.53 mi2.42 mi12412+2813144+1263144+12611174(Top 39%)2673(Top 22%)2673(Top 49%)
30K18.64 mi3.11 mi12396+163214-703214-7012481(Top 44%)3548(Top 29%)3548(Top 65%)
20M20.00 mi1.36 mi12197+1993135+793135+7910529(Top 37%)2703(Top 22%)2703(Top 49%)
21M21.00 mi1.00 mi12046+1513095+403095+4010179(Top 36%)2694(Top 22%)2694(Top 49%)
35K21.75 mi0.75 mi11906+1403043+523043+529067(Top 32%)2161(Top 18%)2161(Top 40%)
23M23.00 mi1.25 mi11654+2522954+892954+898258(Top 29%)1939(Top 16%)1939(Top 35%)
24M24.00 mi1.00 mi11450+2042886+682886+688570(Top 30%)2132(Top 17%)2132(Top 39%)
40K24.85 mi0.85 mi11271+1792831+552831+557879(Top 28%)1944(Top 16%)1944(Top 36%)
25.2M25.20 mi0.35 mi11168+1032797+342797+346436(Top 23%)1439(Top 12%)1439(Top 26%)
Finish26.22 mi1.02 mi10946+2222716+812716+816626(Top 23%)1512(Top 12%)1512(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12221

Females

3032

F18-39

3032

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11746

Females

2688

F18-39

2688

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12221

Females

3032

F18-39

3032

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12863

Females

3469

F18-39

3469

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11179

Females

2520

F18-39

2520

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11174

Females

2673

F18-39

2673

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12481

Females

3548

F18-39

3548

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10529

Females

2703

F18-39

2703

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10179

Females

2694

F18-39

2694

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9067

Females

2161

F18-39

2161

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8258

Females

1939

F18-39

1939

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8570

Females

2132

F18-39

2132

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7879

Females

1944

F18-39

1944

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6436

Females

1439

F18-39

1439

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6626

Females

1512

F18-39

1512

Passing Analysis

Category:
Athletes Passed
4198
Passed By
628
Net Change
+3570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14516
5K → 10K135916+1343#14516#13173
10K → 15K43071+359#13173#12814
15K → 20K214178+36#12814#12778
20K → Half916+85#12778#12693
Half → 25K31130+281#12693#12412
25K → 30K248232+16#12412#12396
30K → 20M21819+199#12396#12197
20M → 21M18938+151#12197#12046
21M → 35K1455+140#12046#11906
35K → 23M26614+252#11906#11654
23M → 24M2106+204#11654#11450
24M → 40K1878+179#11450#11271
40K → 25.2M1063+103#11271#11168
25.2M → Finish2242+222#11168#10946
TOTALS4198628+3570
📊

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