Boston Marathon logo
BOSTON MARATHON 2025

Madeline Kunz

Bib: 6486•F

NC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Division (F18-39)
#0 / 5469
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:45
Rank: #13486
Start → 5K
23:45 | 7:39/mi
10K· 6.21 mi
47:23
Rank: #13270 (+216)
5K → 10K
23:38 | 7:36/mi
15K· 9.32 mi
1:11:04
Rank: #13085 (+185)
10K → 15K
23:41 | 7:37/mi
20K· 12.43 mi
1:35:02
Rank: #12904 (+181)
15K → 20K
23:58 | 7:43/mi
Half· 13.11 mi
1:40:13
Rank: #12867 (+37)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:58:36
Rank: #12484 (+383)
Half → 25K
18:23 | 7:35/mi
30K· 18.64 mi
2:22:58
Rank: #11994 (+490)
25K → 30K
24:22 | 7:51/mi
20M
2:33:47
Rank: #11811 (+183)
30K → 20M
10:49 | 7:58/mi
21M
2:42:02
Rank: #11614 (+197)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:47:51
Rank: #11560 (+54)
21M → 35K
5:49 | 7:46/mi
23M
2:57:47
Rank: #11390 (+170)
35K → 23M
9:56 | 7:56/mi
24M
3:05:37
Rank: #11276 (+114)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:12:22
Rank: #11182 (+94)
24M → 40K
6:45 | 7:54/mi
25.2M
3:15:21
Rank: #11140 (+42)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:23:07
Rank: #11060 (+80)
25.2M → Finish
7:46 | 7:37/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:13
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:42:54
Pace7:51 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3723:457:3923:45
7:39
-
10K
6.21 mi11:17:1547:237:3823:38
7:36
-0:03
15K
9.32 mi11:40:561:11:047:3723:41
7:37
+0:01
20K
12.43 mi12:04:541:35:027:3923:58
7:43
+0:06
Half
13.11 mi12:10:051:40:137:395:11
7:36
-0:07
25K
15.53 mi12:28:281:58:367:3818:23
7:35
-0:01
30K
18.64 mi12:52:502:22:587:4024:22
7:51
+0:16
20M
20.00 mi13:03:392:33:477:4110:49
7:58
+0:07
21M
21.00 mi13:11:542:42:027:438:15
8:15
+0:17
35K
21.75 mi13:17:432:47:517:435:49
7:46
-0:29
23M
23.00 mi13:27:392:57:477:449:56
7:56
+0:10
24M
24.00 mi13:35:293:05:377:447:50
7:50
-0:06
40K
24.85 mi13:42:143:12:227:446:45
7:54
+0:04
25.2M
25.20 mi13:45:133:15:217:452:59
8:39
+0:45
Finish
26.22 mi13:52:593:23:077:457:46
7:37
-1:02

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

7:35 /mi

Average Pace

7:45 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:08

99% of race

Time at Steady Pace

2:59

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:53:3723:457:3923:45
7:39
#13486
10K
6.21 mi11:17:1547:237:3823:38
7:36
#13270
15K
9.32 mi11:40:561:11:047:3723:41
7:37
#13085
20K
12.43 mi12:04:541:35:027:3923:58
7:43
#12904
Half
13.11 mi12:10:051:40:137:395:11
7:36
#12867
25K
15.53 mi12:28:281:58:367:3818:23
7:35
#12484
30K
18.64 mi12:52:502:22:587:4024:22
7:51
#11994
20M
20.00 mi13:03:392:33:477:4110:49
7:58
#11811
21M
21.00 mi13:11:542:42:027:438:15
8:15
#11614
35K
21.75 mi13:17:432:47:517:435:49
7:46
#11560
23M
23.00 mi13:27:392:57:477:449:56
7:56
#11390
24M
24.00 mi13:35:293:05:377:447:50
7:50
#11276
40K
24.85 mi13:42:143:12:227:446:45
7:54
#11182
25.2M
25.20 mi13:45:133:15:217:452:59
8:39
#11140
Finish
26.22 mi13:52:593:23:077:457:46
7:37
#11060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134863593359312811(Top 45%)3336(Top 27%)3336(Top 61%)
10K6.21 mi3.10 mi13270+2163506+873506+8713092(Top 46%)3422(Top 28%)3422(Top 63%)
15K9.32 mi3.11 mi13085+1853440+663440+6612811(Top 45%)3336(Top 27%)3336(Top 61%)
20K12.43 mi3.11 mi12904+1813390+503390+5012546(Top 44%)3292(Top 27%)3292(Top 60%)
Half13.11 mi0.68 mi12867+373377+133377+1312577(Top 44%)3261(Top 27%)3261(Top 60%)
25K15.53 mi2.42 mi12484+3833183+1943183+19410634(Top 37%)2398(Top 20%)2398(Top 44%)
30K18.64 mi3.11 mi11994+4902991+1922991+19210254(Top 36%)2413(Top 20%)2413(Top 44%)
20M20.00 mi1.36 mi11811+1832930+612930+6110199(Top 36%)2536(Top 21%)2536(Top 46%)
21M21.00 mi1.00 mi11614+1972874+562874+568945(Top 31%)2150(Top 18%)2150(Top 39%)
35K21.75 mi0.75 mi11560+542870+42870+410660(Top 38%)2931(Top 24%)2931(Top 54%)
23M23.00 mi1.25 mi11390+1702829+412829+419563(Top 34%)2529(Top 21%)2529(Top 46%)
24M24.00 mi1.00 mi11276+1142809+202809+2010086(Top 36%)2850(Top 23%)2850(Top 52%)
40K24.85 mi0.85 mi11182+942785+242785+249462(Top 33%)2663(Top 22%)2663(Top 49%)
25.2M25.20 mi0.35 mi11140+422782+32782+39778(Top 34%)2904(Top 24%)2904(Top 53%)
Finish26.22 mi1.02 mi11060+802775+72775+710126(Top 36%)3046(Top 25%)3046(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12811

Females

3336

F18-39

3336

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13092

Females

3422

F18-39

3422

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12811

Females

3336

F18-39

3336

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12546

Females

3292

F18-39

3292

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12577

Females

3261

F18-39

3261

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10634

Females

2398

F18-39

2398

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10254

Females

2413

F18-39

2413

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10199

Females

2536

F18-39

2536

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8945

Females

2150

F18-39

2150

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10660

Females

2931

F18-39

2931

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9563

Females

2529

F18-39

2529

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10086

Females

2850

F18-39

2850

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9462

Females

2663

F18-39

2663

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9778

Females

2904

F18-39

2904

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10126

Females

3046

F18-39

3046

Passing Analysis

Category:
Athletes Passed
3113
Passed By
687
Net Change
+2426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13486
5K → 10K399183+216#13486#13270
10K → 15K296111+185#13270#13085
15K → 20K298117+181#13085#12904
20K → Half5114+37#12904#12867
Half → 25K39411+383#12867#12484
25K → 30K52737+490#12484#11994
30K → 20M21330+183#11994#11811
20M → 21M22124+197#11811#11614
21M → 35K8026+54#11614#11560
35K → 23M20232+170#11560#11390
23M → 24M14329+114#11390#11276
24M → 40K11622+94#11276#11182
40K → 25.2M6018+42#11182#11140
25.2M → Finish11333+80#11140#11060
TOTALS3113687+2426
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing