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BOSTON MARATHON 2025

Zoe Mullins

Bib: 16158•F

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 38%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:33
Rank: #9985
Start → 5K
22:33 | 7:15/mi
10K· 6.21 mi
45:09
Rank: #10064 (-79)
5K → 10K
22:36 | 7:16/mi
15K· 9.32 mi
1:07:59
Rank: #10163 (-99)
10K → 15K
22:50 | 7:21/mi
20K· 12.43 mi
1:30:58
Rank: #10049 (+114)
15K → 20K
22:59 | 7:24/mi
Half· 13.11 mi
1:35:54
Rank: #10013 (+36)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:54:36
Rank: #10255 (-242)
Half → 25K
18:42 | 7:43/mi
30K· 18.64 mi
2:19:43
Rank: #10540 (-285)
25K → 30K
25:07 | 8:05/mi
20M
2:30:31
Rank: #10474 (+66)
30K → 20M
10:48 | 7:57/mi
21M
2:38:56
Rank: #10423 (+51)
20M → 21M
8:25 | 8:25/mi
35K· 21.75 mi
2:44:59
Rank: #10497 (-74)
21M → 35K
6:03 | 8:05/mi
23M
2:55:26
Rank: #10580 (-83)
35K → 23M
10:27 | 8:21/mi
24M
3:03:40
Rank: #10643 (-63)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:10:50
Rank: #10700 (-57)
24M → 40K
7:10 | 8:23/mi
25.2M
3:13:52
Rank: #10675 (+25)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:21:52
Rank: #10689 (-14)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:54
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4822:337:1522:33
7:15
-
10K
6.21 mi11:18:2445:097:1622:36
7:16
+0:01
15K
9.32 mi11:41:141:07:597:1822:50
7:21
+0:05
20K
12.43 mi12:04:131:30:587:1922:59
7:24
+0:03
Half
13.11 mi12:09:091:35:547:194:56
7:14
-0:10
25K
15.53 mi12:27:511:54:367:2318:42
7:43
+0:29
30K
18.64 mi12:52:582:19:437:3025:07
8:05
+0:22
20M
20.00 mi13:03:462:30:317:3210:48
7:57
-0:08
21M
21.00 mi13:12:112:38:567:348:25
8:25
+0:28
35K
21.75 mi13:18:142:44:597:356:03
8:05
-0:20
23M
23.00 mi13:28:412:55:267:3810:27
8:21
+0:16
24M
24.00 mi13:36:553:03:407:398:14
8:14
-0:07
40K
24.85 mi13:44:053:10:507:417:10
8:23
+0:09
25.2M
25.20 mi13:47:073:13:527:423:02
8:48
+0:25
Finish
26.22 mi13:55:073:21:527:428:00
7:51
-0:57

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

7:14 /mi

Average Pace

7:42 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:54

48% of race

Time at Steady Pace

1:08:40

34% of race

Time at Slower Pace

37:18

18% of race

Average Pace: 7:42 /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 mi10:55:4822:337:1522:33
7:15
#9985
10K
6.21 mi11:18:2445:097:1622:36
7:16
#10064
15K
9.32 mi11:41:141:07:597:1822:50
7:21
#10163
20K
12.43 mi12:04:131:30:587:1922:59
7:24
#10049
Half
13.11 mi12:09:091:35:547:194:56
7:14
#10013
25K
15.53 mi12:27:511:54:367:2318:42
7:43
#10255
30K
18.64 mi12:52:582:19:437:3025:07
8:05
#10540
20M
20.00 mi13:03:462:30:317:3210:48
7:57
#10474
21M
21.00 mi13:12:112:38:567:348:25
8:25
#10423
35K
21.75 mi13:18:142:44:597:356:03
8:05
#10497
23M
23.00 mi13:28:412:55:267:3810:27
8:21
#10580
24M
24.00 mi13:36:553:03:407:398:14
8:14
#10643
40K
24.85 mi13:44:053:10:507:417:10
8:23
#10700
25.2M
25.20 mi13:47:073:13:527:423:02
8:48
#10675
Finish
26.22 mi13:55:073:21:527:428:00
7:51
#10689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi99851801180110419(Top 37%)2081(Top 17%)2081(Top 38%)
10K6.21 mi3.10 mi10064-791844-431844-4310157(Top 36%)1894(Top 15%)1894(Top 35%)
15K9.32 mi3.11 mi10163-991915-711915-7110419(Top 37%)2081(Top 17%)2081(Top 38%)
20K12.43 mi3.11 mi10049+1141894+211894+219908(Top 35%)1918(Top 16%)1918(Top 35%)
Half13.11 mi0.68 mi10013+361882+121882+129482(Top 33%)1725(Top 14%)1725(Top 32%)
25K15.53 mi2.42 mi10255-2422031-1492031-14911656(Top 41%)2933(Top 24%)2933(Top 54%)
30K18.64 mi3.11 mi10540-2852228-1972228-19711988(Top 42%)3284(Top 27%)3284(Top 60%)
20M20.00 mi1.36 mi10474+662237-92237-910110(Top 36%)2485(Top 20%)2485(Top 45%)
21M21.00 mi1.00 mi10423+512254-172254-179975(Top 35%)2598(Top 21%)2598(Top 48%)
35K21.75 mi0.75 mi10497-742310-562310-5612841(Top 45%)4060(Top 33%)4060(Top 74%)
23M23.00 mi1.25 mi10580-832390-802390-8012325(Top 43%)3908(Top 32%)3908(Top 71%)
24M24.00 mi1.00 mi10643-632467-772467-7712807(Top 45%)4207(Top 34%)4207(Top 77%)
40K24.85 mi0.85 mi10700-572528-612528-6112695(Top 45%)4269(Top 35%)4269(Top 78%)
25.2M25.20 mi0.35 mi10675+252521+72521+710649(Top 37%)3305(Top 27%)3305(Top 60%)
Finish26.22 mi1.02 mi10689-142569-482569-4811832(Top 42%)3840(Top 31%)3840(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10419

Females

2081

F18-39

2081

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10157

Females

1894

F18-39

1894

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10419

Females

2081

F18-39

2081

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9908

Females

1918

F18-39

1918

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9482

Females

1725

F18-39

1725

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11656

Females

2933

F18-39

2933

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11988

Females

3284

F18-39

3284

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10110

Females

2485

F18-39

2485

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9975

Females

2598

F18-39

2598

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12841

Females

4060

F18-39

4060

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12325

Females

3908

F18-39

3908

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12807

Females

4207

F18-39

4207

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12695

Females

4269

F18-39

4269

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10649

Females

3305

F18-39

3305

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11832

Females

3840

F18-39

3840

Passing Analysis

Category:
Athletes Passed
1486
Passed By
2185
Net Change
-704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9985
5K → 10K199276-79#9985#10064
10K → 15K136235-99#10064#10163
15K → 20K228113+114#10163#10049
20K → Half5115+36#10049#10013
Half → 25K94335-242#10013#10255
25K → 30K159443-285#10255#10540
30K → 20M13771+66#10540#10474
20M → 21M13685+51#10474#10423
21M → 35K34108-74#10423#10497
35K → 23M78161-83#10497#10580
23M → 24M61124-63#10580#10643
24M → 40K55112-57#10643#10700
40K → 25.2M4924+25#10700#10675
25.2M → Finish6983-14#10675#10689
TOTALS14862185-704
📊

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