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BOSTON MARATHON 2025

Mary Fewell

Bib: 14178•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:38
Rank: #10230
Start → 5K
22:38 | 7:17/mi
10K· 6.21 mi
45:00
Rank: #9827 (+403)
5K → 10K
22:22 | 7:12/mi
15K· 9.32 mi
1:07:39
Rank: #9843 (-16)
10K → 15K
22:39 | 7:17/mi
20K· 12.43 mi
1:30:18
Rank: #9564 (+279)
15K → 20K
22:39 | 7:17/mi
Half· 13.11 mi
1:35:16
Rank: #9575 (-11)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:54:46
Rank: #10331 (-756)
Half → 25K
19:30 | 8:03/mi
30K· 18.64 mi
2:19:45
Rank: #10559 (-228)
25K → 30K
24:59 | 8:03/mi
20M
2:32:07
Rank: #11140 (-581)
30K → 20M
12:22 | 9:06/mi
21M
2:41:15
Rank: #11296 (-156)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
2:48:02
Rank: #11631 (-335)
21M → 35K
6:47 | 9:04/mi
23M
2:59:16
Rank: #11926 (-295)
35K → 23M
11:14 | 8:58/mi
24M
3:08:10
Rank: #12172 (-246)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:15:31
Rank: #12237 (-65)
24M → 40K
7:21 | 8:36/mi
25.2M
3:18:33
Rank: #12190 (+47)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:25:58
Rank: #11981 (+209)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:16
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:50:42
Pace8:27 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1922:387:1722:38
7:17
-
10K
6.21 mi11:15:4145:007:1522:22
7:12
-0:05
15K
9.32 mi11:38:201:07:397:1522:39
7:17
+0:05
20K
12.43 mi12:00:591:30:187:1622:39
7:17
0:00
Half
13.11 mi12:05:571:35:167:164:58
7:17
0:00
25K
15.53 mi12:25:271:54:467:2319:30
8:03
+0:46
30K
18.64 mi12:50:262:19:457:3024:59
8:03
0:00
20M
20.00 mi13:02:482:32:077:3612:22
9:06
+1:03
21M
21.00 mi13:11:562:41:157:419:08
9:08
+0:02
35K
21.75 mi13:18:432:48:027:446:47
9:04
-0:04
23M
23.00 mi13:29:572:59:167:4811:14
8:58
-0:06
24M
24.00 mi13:38:513:08:107:508:54
8:54
-0:04
40K
24.85 mi13:46:123:15:317:527:21
8:36
-0:18
25.2M
25.20 mi13:49:143:18:337:533:02
8:48
+0:12
Finish
26.22 mi13:56:393:25:587:527:25
7:17
-1:31

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

7:12 /mi

Average Pace

7:52 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:41

50% of race

Time at Steady Pace

44:29

22% of race

Time at Slower Pace

58:48

29% of race

Average Pace: 7:51 /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 mi10:53:1922:387:1722:38
7:17
#10230
10K
6.21 mi11:15:4145:007:1522:22
7:12
#9827
15K
9.32 mi11:38:201:07:397:1522:39
7:17
#9843
20K
12.43 mi12:00:591:30:187:1622:39
7:17
#9564
Half
13.11 mi12:05:571:35:167:164:58
7:17
#9575
25K
15.53 mi12:25:271:54:467:2319:30
8:03
#10331
30K
18.64 mi12:50:262:19:457:3024:59
8:03
#10559
20M
20.00 mi13:02:482:32:077:3612:22
9:06
#11140
21M
21.00 mi13:11:562:41:157:419:08
9:08
#11296
35K
21.75 mi13:18:432:48:027:446:47
9:04
#11631
23M
23.00 mi13:29:572:59:167:4811:14
8:58
#11926
24M
24.00 mi13:38:513:08:107:508:54
8:54
#12172
40K
24.85 mi13:46:123:15:317:527:21
8:36
#12237
25.2M
25.20 mi13:49:143:18:337:533:02
8:48
#12190
Finish
26.22 mi13:56:393:25:587:527:25
7:17
#11981
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10230192019209945(Top 35%)1868(Top 15%)1868(Top 34%)
10K6.21 mi3.10 mi9827+4031721+1991721+1999495(Top 33%)1600(Top 13%)1600(Top 29%)
15K9.32 mi3.11 mi9843-161770-491770-499945(Top 35%)1868(Top 15%)1868(Top 34%)
20K12.43 mi3.11 mi9564+2791674+961674+969001(Top 32%)1528(Top 12%)1528(Top 28%)
Half13.11 mi0.68 mi9575-111686-121686-129928(Top 35%)1944(Top 16%)1944(Top 36%)
25K15.53 mi2.42 mi10331-7562057-3712057-37114200(Top 50%)4313(Top 35%)4313(Top 79%)
30K18.64 mi3.11 mi10559-2282237-1802237-18011699(Top 41%)3147(Top 26%)3147(Top 58%)
20M20.00 mi1.36 mi11140-5812577-3402577-34017312(Top 61%)6309(Top 52%)6309(Top 115%)
21M21.00 mi1.00 mi11296-1562707-1302707-13014269(Top 50%)4762(Top 39%)4762(Top 87%)
35K21.75 mi0.75 mi11631-3352902-1952902-19518569(Top 65%)7223(Top 59%)7223(Top 132%)
23M23.00 mi1.25 mi11926-2953097-1953097-19516107(Top 57%)5941(Top 49%)5941(Top 109%)
24M24.00 mi1.00 mi12172-2463262-1653262-16516852(Top 59%)6406(Top 52%)6406(Top 117%)
40K24.85 mi0.85 mi12237-653325-633325-6314045(Top 49%)4982(Top 41%)4982(Top 91%)
25.2M25.20 mi0.35 mi12190+473321+43321+410672(Top 38%)3328(Top 27%)3328(Top 61%)
Finish26.22 mi1.02 mi11981+2093238+833238+837664(Top 27%)1936(Top 16%)1936(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9945

Females

1868

F18-39

1868

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9495

Females

1600

F18-39

1600

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9945

Females

1868

F18-39

1868

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9001

Females

1528

F18-39

1528

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9928

Females

1944

F18-39

1944

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14200

Females

4313

F18-39

4313

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11699

Females

3147

F18-39

3147

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17312

Females

6309

F18-39

6309

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14269

Females

4762

F18-39

4762

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18569

Females

7223

F18-39

7223

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16107

Females

5941

F18-39

5941

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16852

Females

6406

F18-39

6406

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

14045

Females

4982

F18-39

4982

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10672

Females

3328

F18-39

3328

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7664

Females

1936

F18-39

1936

Passing Analysis

Category:
Athletes Passed
1733*
Passed By
3480
Net Change
-1751
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10230
5K → 10K491*88+403#10230#9827
10K → 15K171186-16#9827#9843
15K → 20K33152+279#9843#9564
20K → Half2738-11#9564#9575
Half → 25K38792-756#9575#10331
25K → 30K176403-228#10331#10559
30K → 20M29610-581#10559#11140
20M → 21M50206-156#11140#11296
21M → 35K12347-335#11296#11631
35K → 23M55350-295#11631#11926
23M → 24M27273-246#11926#12172
24M → 40K55120-65#12172#12237
40K → 25.2M6114+47#12237#12190
25.2M → Finish2101+209#12190#11981
TOTALS1733*3480-1751

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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