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BOSTON MARATHON 2025

Mallory Murchison

Bib: 19098•F

SK

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #12537
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
46:17
Rank: #11690 (+847)
5K → 10K
22:53 | 7:22/mi
15K· 9.32 mi
1:09:26
Rank: #11533 (+157)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:32:56
Rank: #11452 (+81)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:38:05
Rank: #11496 (-44)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:56:55
Rank: #11560 (-64)
Half → 25K
18:50 | 7:46/mi
30K· 18.64 mi
2:22:05
Rank: #11616 (-56)
25K → 30K
25:10 | 8:06/mi
20M
2:33:25
Rank: #11647 (-31)
30K → 20M
11:20 | 8:20/mi
21M
2:42:28
Rank: #11786 (-139)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:48:55
Rank: #11948 (-162)
21M → 35K
6:27 | 8:37/mi
23M
3:00:02
Rank: #12185 (-237)
35K → 23M
11:07 | 8:53/mi
24M
3:09:16
Rank: #12538 (-353)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:17:02
Rank: #12711 (-173)
24M → 40K
7:46 | 9:05/mi
25.2M
3:20:17
Rank: #12742 (-31)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:28:45
Rank: #12832 (-90)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:05
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:50:40
Pace8:27 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5823:247:3223:24
7:32
-
10K
6.21 mi11:36:5146:177:2722:53
7:22
-0:10
15K
9.32 mi12:00:001:09:267:2723:09
7:27
+0:05
20K
12.43 mi12:23:301:32:567:2923:30
7:34
+0:07
Half
13.11 mi12:28:391:38:057:295:09
7:33
-0:01
25K
15.53 mi12:47:291:56:557:3218:50
7:46
+0:13
30K
18.64 mi13:12:392:22:057:3725:10
8:06
+0:20
20M
20.00 mi13:23:592:33:257:4011:20
8:20
+0:14
21M
21.00 mi13:33:022:42:287:449:03
9:03
+0:43
35K
21.75 mi13:39:292:48:557:466:27
8:37
-0:26
23M
23.00 mi13:50:363:00:027:5011:07
8:53
+0:16
24M
24.00 mi13:59:503:09:167:539:14
9:14
+0:21
40K
24.85 mi14:07:363:17:027:567:46
9:05
-0:09
25.2M
25.20 mi14:10:513:20:177:573:15
9:25
+0:20
Finish
26.22 mi14:19:193:28:457:588:28
8:19
-1:06

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

7:22 /mi

Average Pace

7:58 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:55

56% of race

Time at Steady Pace

51:25

25% of race

Time at Slower Pace

40:25

19% of race

Average Pace: 7:58 /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 mi11:13:5823:247:3223:24
7:32
#12537
10K
6.21 mi11:36:5146:177:2722:53
7:22
#11690
15K
9.32 mi12:00:001:09:267:2723:09
7:27
#11533
20K
12.43 mi12:23:301:32:567:2923:30
7:34
#11452
Half
13.11 mi12:28:391:38:057:295:09
7:33
#11496
25K
15.53 mi12:47:291:56:557:3218:50
7:46
#11560
30K
18.64 mi13:12:392:22:057:3725:10
8:06
#11616
20M
20.00 mi13:23:592:33:257:4011:20
8:20
#11647
21M
21.00 mi13:33:022:42:287:449:03
9:03
#11786
35K
21.75 mi13:39:292:48:557:466:27
8:37
#11948
23M
23.00 mi13:50:363:00:027:5011:07
8:53
#12185
24M
24.00 mi13:59:503:09:167:539:14
9:14
#12538
40K
24.85 mi14:07:363:17:027:567:46
9:05
#12711
25.2M
25.20 mi14:10:513:20:177:573:15
9:25
#12742
Finish
26.22 mi14:19:193:28:457:588:28
8:19
#12832
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi125373084308411361(Top 40%)2563(Top 21%)2563(Top 47%)
10K6.21 mi3.10 mi11690+8472645+4392645+43910896(Top 38%)2256(Top 18%)2256(Top 41%)
15K9.32 mi3.11 mi11533+1572596+492596+4911361(Top 40%)2563(Top 21%)2563(Top 47%)
20K12.43 mi3.11 mi11452+812584+122584+1211311(Top 40%)2642(Top 22%)2642(Top 48%)
Half13.11 mi0.68 mi11496-442609-252609-2512219(Top 43%)3080(Top 25%)3080(Top 56%)
25K15.53 mi2.42 mi11560-642683-742683-7412096(Top 43%)3167(Top 26%)3167(Top 58%)
30K18.64 mi3.11 mi11616-562791-1082791-10812117(Top 43%)3344(Top 27%)3344(Top 61%)
20M20.00 mi1.36 mi11647-312847-562847-5612778(Top 45%)3844(Top 31%)3844(Top 70%)
21M21.00 mi1.00 mi11786-1392959-1122959-11213816(Top 49%)4522(Top 37%)4522(Top 83%)
35K21.75 mi0.75 mi11948-1623064-1053064-10516191(Top 57%)5876(Top 48%)5876(Top 107%)
23M23.00 mi1.25 mi12185-2373232-1683232-16815557(Top 55%)5635(Top 46%)5635(Top 103%)
24M24.00 mi1.00 mi12538-3533439-2073439-20718509(Top 65%)7293(Top 60%)7293(Top 133%)
40K24.85 mi0.85 mi12711-1733569-1303569-13016774(Top 59%)6454(Top 53%)6454(Top 118%)
25.2M25.20 mi0.35 mi12742-313596-273596-2714176(Top 50%)5096(Top 42%)5096(Top 93%)
Finish26.22 mi1.02 mi12832-903669-733669-7314971(Top 53%)5456(Top 45%)5456(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11361

Females

2563

F18-39

2563

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10896

Females

2256

F18-39

2256

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11361

Females

2563

F18-39

2563

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11311

Females

2642

F18-39

2642

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12219

Females

3080

F18-39

3080

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12096

Females

3167

F18-39

3167

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12117

Females

3344

F18-39

3344

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12778

Females

3844

F18-39

3844

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13816

Females

4522

F18-39

4522

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16191

Females

5876

F18-39

5876

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15557

Females

5635

F18-39

5635

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18509

Females

7293

F18-39

7293

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16774

Females

6454

F18-39

6454

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14176

Females

5096

F18-39

5096

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14971

Females

5456

F18-39

5456

Passing Analysis

Category:
Athletes Passed
2119
Passed By
2414
Net Change
-295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12537
5K → 10K88740+847#12537#11690
10K → 15K260103+157#11690#11533
15K → 20K223142+81#11533#11452
20K → Half2165-44#11452#11496
Half → 25K140204-64#11496#11560
25K → 30K210266-56#11560#11616
30K → 20M111142-31#11616#11647
20M → 21M58197-139#11647#11786
21M → 35K22184-162#11786#11948
35K → 23M60297-237#11948#12185
23M → 24M16369-353#12185#12538
24M → 40K42215-173#12538#12711
40K → 25.2M1950-31#12711#12742
25.2M → Finish50140-90#12742#12832
TOTALS21192414-295
📊

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