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BOSTON MARATHON 2025

Mary Wirtz

Bib: 4087•F

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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:30
Rank: #9852
Start → 5K
22:30 | 7:15/mi
10K· 6.21 mi
44:58
Rank: #9779 (+73)
5K → 10K
22:28 | 7:14/mi
15K· 9.32 mi
1:07:20
Rank: #9536 (+243)
10K → 15K
22:22 | 7:12/mi
20K· 12.43 mi
1:29:33
Rank: #9043 (+493)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:34:20
Rank: #8944 (+99)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:51:52
Rank: #8686 (+258)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:14:31
Rank: #8154 (+532)
25K → 30K
22:39 | 7:17/mi
20M
2:24:36
Rank: #7983 (+171)
30K → 20M
10:05 | 7:25/mi
21M
2:32:46
Rank: #7927 (+56)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:38:18
Rank: #7887 (+40)
21M → 35K
5:32 | 7:24/mi
23M
2:48:29
Rank: #8022 (-135)
35K → 23M
10:11 | 8:08/mi
24M
2:56:18
Rank: #8078 (-56)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:03:08
Rank: #8130 (-52)
24M → 40K
6:50 | 8:00/mi
25.2M
3:06:08
Rank: #8146 (-16)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:13:40
Rank: #8114 (+32)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:39:20
Pace7:35 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0322:307:1522:30
7:15
-
10K
6.21 mi10:47:3144:587:1422:28
7:14
-0:01
15K
9.32 mi11:09:531:07:207:1322:22
7:12
-0:02
20K
12.43 mi11:32:061:29:337:1222:13
7:09
-0:03
Half
13.11 mi11:36:531:34:207:124:47
7:01
-0:08
25K
15.53 mi11:54:251:51:527:1217:32
7:14
+0:13
30K
18.64 mi12:17:042:14:317:1322:39
7:17
+0:03
20M
20.00 mi12:27:092:24:367:1410:05
7:25
+0:08
21M
21.00 mi12:35:192:32:467:168:10
8:10
+0:45
35K
21.75 mi12:40:512:38:187:175:32
7:24
-0:46
23M
23.00 mi12:51:022:48:297:2010:11
8:08
+0:44
24M
24.00 mi12:58:512:56:187:217:49
7:49
-0:19
40K
24.85 mi13:05:413:03:087:226:50
8:00
+0:11
25.2M
25.20 mi13:08:413:06:087:233:00
8:42
+0:42
Finish
26.22 mi13:16:133:13:407:247:32
7:24
-1:18

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

7:01 /mi

Average Pace

7:24 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:00

14% of race

Time at Steady Pace

2:10:40

67% of race

Time at Slower Pace

36:00

19% of race

Average Pace: 7:23 /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 mi10:25:0322:307:1522:30
7:15
#9852
10K
6.21 mi10:47:3144:587:1422:28
7:14
#9779
15K
9.32 mi11:09:531:07:207:1322:22
7:12
#9536
20K
12.43 mi11:32:061:29:337:1222:13
7:09
#9043
Half
13.11 mi11:36:531:34:207:124:47
7:01
#8944
25K
15.53 mi11:54:251:51:527:1217:32
7:14
#8686
30K
18.64 mi12:17:042:14:317:1322:39
7:17
#8154
20M
20.00 mi12:27:092:24:367:1410:05
7:25
#7983
21M
21.00 mi12:35:192:32:467:168:10
8:10
#7927
35K
21.75 mi12:40:512:38:187:175:32
7:24
#7887
23M
23.00 mi12:51:022:48:297:2010:11
8:08
#8022
24M
24.00 mi12:58:512:56:187:217:49
7:49
#8078
40K
24.85 mi13:05:413:03:087:226:50
8:00
#8130
25.2M
25.20 mi13:08:413:06:087:233:00
8:42
#8146
Finish
26.22 mi13:16:133:13:407:247:32
7:24
#8114
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9852174017409130(Top 32%)1483(Top 12%)1483(Top 27%)
10K6.21 mi3.10 mi9779+731703+371703+379763(Top 34%)1717(Top 14%)1717(Top 31%)
15K9.32 mi3.11 mi9536+2431619+841619+849130(Top 32%)1483(Top 12%)1483(Top 27%)
20K12.43 mi3.11 mi9043+4931435+1841435+1847838(Top 28%)1051(Top 9%)1051(Top 19%)
Half13.11 mi0.68 mi8944+991393+421393+427740(Top 27%)1001(Top 8%)1001(Top 18%)
25K15.53 mi2.42 mi8686+2581313+801313+807854(Top 28%)1163(Top 10%)1163(Top 21%)
30K18.64 mi3.11 mi8154+5321171+1421171+1426409(Top 23%)803(Top 7%)803(Top 15%)
20M20.00 mi1.36 mi7983+1711143+281143+286546(Top 23%)990(Top 8%)990(Top 18%)
21M21.00 mi1.00 mi7927+561150-71150-78393(Top 30%)1889(Top 15%)1889(Top 35%)
35K21.75 mi0.75 mi7887+401154-41154-47926(Top 28%)1643(Top 13%)1643(Top 30%)
23M23.00 mi1.25 mi8022-1351251-971251-9710953(Top 39%)3199(Top 26%)3199(Top 58%)
24M24.00 mi1.00 mi8078-561312-611312-619939(Top 35%)2769(Top 23%)2769(Top 51%)
40K24.85 mi0.85 mi8130-521352-401352-4010146(Top 36%)2986(Top 24%)2986(Top 55%)
25.2M25.20 mi0.35 mi8146-161371-191371-1910016(Top 35%)3003(Top 25%)3003(Top 55%)
Finish26.22 mi1.02 mi8114+321399-281399-288430(Top 30%)2241(Top 18%)2241(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9130

Females

1483

F18-39

1483

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9763

Females

1717

F18-39

1717

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9130

Females

1483

F18-39

1483

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7838

Females

1051

F18-39

1051

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7740

Females

1001

F18-39

1001

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7854

Females

1163

F18-39

1163

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6409

Females

803

F18-39

803

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6546

Females

990

F18-39

990

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8393

Females

1889

F18-39

1889

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7926

Females

1643

F18-39

1643

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10953

Females

3199

F18-39

3199

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9939

Females

2769

F18-39

2769

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10146

Females

2986

F18-39

2986

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10016

Females

3003

F18-39

3003

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8430

Females

2241

F18-39

2241

Passing Analysis

Category:
Athletes Passed
2703
Passed By
964
Net Change
+1738
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9852
5K → 10K264190+73#9852#9779
10K → 15K30764+243#9779#9536
15K → 20K5018+493#9536#9043
20K → Half1056+99#9043#8944
Half → 25K28830+258#8944#8686
25K → 30K54412+532#8686#8154
30K → 20M19827+171#8154#7983
20M → 21M12670+56#7983#7927
21M → 35K7131+40#7927#7887
35K → 23M74209-135#7887#8022
23M → 24M61117-56#8022#8078
24M → 40K48100-52#8078#8130
40K → 25.2M2238-16#8130#8146
25.2M → Finish9462+32#8146#8114
TOTALS2703964+1738
📊

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