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BOSTON MARATHON 2025

Madison Byrne

Bib: 14527•F

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0:00
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:21
Rank: #9420
Start → 5K
22:21 | 7:12/mi
10K· 6.21 mi
44:46
Rank: #9499 (-79)
5K → 10K
22:25 | 7:13/mi
15K· 9.32 mi
1:07:24
Rank: #9600 (-101)
10K → 15K
22:38 | 7:17/mi
20K· 12.43 mi
1:29:55
Rank: #9307 (+293)
15K → 20K
22:31 | 7:15/mi
Half· 13.11 mi
1:34:48
Rank: #9273 (+34)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:52:18
Rank: #8942 (+331)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:14:55
Rank: #8325 (+617)
25K → 30K
22:37 | 7:17/mi
20M
2:24:54
Rank: #8090 (+235)
30K → 20M
9:59 | 7:21/mi
21M
2:32:31
Rank: #7843 (+247)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:37:53
Rank: #7751 (+92)
21M → 35K
5:22 | 7:10/mi
23M
2:47:08
Rank: #7586 (+165)
35K → 23M
9:15 | 7:23/mi
24M
2:54:23
Rank: #7461 (+125)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:00:43
Rank: #7364 (+97)
24M → 40K
6:20 | 7:24/mi
25.2M
3:03:28
Rank: #7317 (+47)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:10:39
Rank: #7240 (+77)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:48
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:35:51
Pace7:19 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0122:217:1222:21
7:12
-
10K
6.21 mi11:16:2644:467:1222:25
7:13
+0:01
15K
9.32 mi11:39:041:07:247:1422:38
7:17
+0:04
20K
12.43 mi12:01:351:29:557:1422:31
7:15
-0:02
Half
13.11 mi12:06:281:34:487:144:53
7:09
-0:06
25K
15.53 mi12:23:581:52:187:1417:30
7:13
+0:04
30K
18.64 mi12:46:352:14:557:1422:37
7:17
+0:04
20M
20.00 mi12:56:342:24:547:159:59
7:21
+0:04
21M
21.00 mi13:04:112:32:317:167:37
7:37
+0:16
35K
21.75 mi13:09:332:37:537:165:22
7:10
-0:27
23M
23.00 mi13:18:482:47:087:169:15
7:23
+0:13
24M
24.00 mi13:26:032:54:237:167:15
7:15
-0:08
40K
24.85 mi13:32:233:00:437:166:20
7:24
+0:09
25.2M
25.20 mi13:35:083:03:287:172:45
7:58
+0:34
Finish
26.22 mi13:42:193:10:397:177:11
7:03
-0:55

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

7:03 /mi

Average Pace

7:17 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:54

99% of race

Time at Steady Pace

2:45

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:54:0122:217:1222:21
7:12
#9420
10K
6.21 mi11:16:2644:467:1222:25
7:13
#9499
15K
9.32 mi11:39:041:07:247:1422:38
7:17
#9600
20K
12.43 mi12:01:351:29:557:1422:31
7:15
#9307
Half
13.11 mi12:06:281:34:487:144:53
7:09
#9273
25K
15.53 mi12:23:581:52:187:1417:30
7:13
#8942
30K
18.64 mi12:46:352:14:557:1422:37
7:17
#8325
20M
20.00 mi12:56:342:24:547:159:59
7:21
#8090
21M
21.00 mi13:04:112:32:317:167:37
7:37
#7843
35K
21.75 mi13:09:332:37:537:165:22
7:10
#7751
23M
23.00 mi13:18:482:47:087:169:15
7:23
#7586
24M
24.00 mi13:26:032:54:237:167:15
7:15
#7461
40K
24.85 mi13:32:233:00:437:166:20
7:24
#7364
25.2M
25.20 mi13:35:083:03:287:172:45
7:58
#7317
Finish
26.22 mi13:42:193:10:397:177:11
7:03
#7240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9420155715579887(Top 35%)1833(Top 15%)1833(Top 34%)
10K6.21 mi3.10 mi9499-791575-181575-189628(Top 34%)1650(Top 13%)1650(Top 30%)
15K9.32 mi3.11 mi9600-1011651-761651-769887(Top 35%)1833(Top 15%)1833(Top 34%)
20K12.43 mi3.11 mi9307+2931546+1051546+1058607(Top 30%)1351(Top 11%)1351(Top 25%)
Half13.11 mi0.68 mi9273+341540+61540+68762(Top 31%)1374(Top 11%)1374(Top 25%)
25K15.53 mi2.42 mi8942+3311421+1191421+1197755(Top 27%)1123(Top 9%)1123(Top 21%)
30K18.64 mi3.11 mi8325+6171229+1921229+1926352(Top 22%)783(Top 6%)783(Top 14%)
20M20.00 mi1.36 mi8090+2351178+511178+516090(Top 21%)823(Top 7%)823(Top 15%)
21M21.00 mi1.00 mi7843+2471117+611117+615246(Top 18%)678(Top 6%)678(Top 12%)
35K21.75 mi0.75 mi7751+921103+141103+146474(Top 23%)1090(Top 9%)1090(Top 20%)
23M23.00 mi1.25 mi7586+1651092+111092+116013(Top 21%)1023(Top 8%)1023(Top 19%)
24M24.00 mi1.00 mi7461+1251080+121080+126146(Top 22%)1122(Top 9%)1122(Top 21%)
40K24.85 mi0.85 mi7364+971073+71073+76282(Top 22%)1242(Top 10%)1242(Top 23%)
25.2M25.20 mi0.35 mi7317+471067+61067+65866(Top 21%)1192(Top 10%)1192(Top 22%)
Finish26.22 mi1.02 mi7240+771066+11066+16088(Top 21%)1285(Top 11%)1285(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9887

Females

1833

F18-39

1833

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9628

Females

1650

F18-39

1650

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9887

Females

1833

F18-39

1833

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8607

Females

1351

F18-39

1351

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8762

Females

1374

F18-39

1374

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7755

Females

1123

F18-39

1123

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6352

Females

783

F18-39

783

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

6090

Females

823

F18-39

823

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5246

Females

678

F18-39

678

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6474

Females

1090

F18-39

1090

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6013

Females

1023

F18-39

1023

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6146

Females

1122

F18-39

1122

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6282

Females

1242

F18-39

1242

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5866

Females

1192

F18-39

1192

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

6088

Females

1285

F18-39

1285

Passing Analysis

Category:
Athletes Passed
2867
Passed By
687
Net Change
+2180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9420
5K → 10K194273-79#9420#9499
10K → 15K129230-101#9499#9600
15K → 20K33643+293#9600#9307
20K → Half4612+34#9307#9273
Half → 25K34514+331#9273#8942
25K → 30K62710+617#8942#8325
30K → 20M2416+235#8325#8090
20M → 21M2525+247#8090#7843
21M → 35K10412+92#7843#7751
35K → 23M18419+165#7751#7586
23M → 24M13712+125#7586#7461
24M → 40K12629+97#7461#7364
40K → 25.2M514+47#7364#7317
25.2M → Finish9518+77#7317#7240
TOTALS2867687+2180
📊

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