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BOSTON MARATHON 2025

Bethany Macfarlane

Bib: 16436•F

NB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:16
Rank: #6679
Start → 5K
21:16 | 6:51/mi
10K· 6.21 mi
43:01
Rank: #7330 (-651)
5K → 10K
21:45 | 7:00/mi
15K· 9.32 mi
1:04:51
Rank: #7492 (-162)
10K → 15K
21:50 | 7:02/mi
20K· 12.43 mi
1:28:51
Rank: #8544 (-1052)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:33:51
Rank: #8631 (-87)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:52:15
Rank: #8923 (-292)
Half → 25K
18:24 | 7:35/mi
30K· 18.64 mi
2:16:20
Rank: #8962 (-39)
25K → 30K
24:05 | 7:45/mi
20M
2:27:42
Rank: #9271 (-309)
30K → 20M
11:22 | 8:22/mi
21M
2:36:25
Rank: #9392 (-121)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:42:21
Rank: #9452 (-60)
21M → 35K
5:56 | 7:56/mi
23M
2:53:48
Rank: #9988 (-536)
35K → 23M
11:27 | 9:09/mi
24M
3:02:47
Rank: #10365 (-377)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:09:32
Rank: #10286 (+79)
24M → 40K
6:45 | 7:54/mi
25.2M
3:12:43
Rank: #10329 (-43)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:20:32
Rank: #10300 (+29)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:51
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:46:41
Pace8:08 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4521:166:5121:16
6:51
-
10K
6.21 mi11:16:3043:016:5521:45
7:00
+0:09
15K
9.32 mi11:38:201:04:516:5721:50
7:02
+0:02
20K
12.43 mi12:02:201:28:517:0924:00
7:43
+0:41
Half
13.11 mi12:07:201:33:517:105:00
7:20
-0:23
25K
15.53 mi12:25:441:52:157:1418:24
7:35
+0:15
30K
18.64 mi12:49:492:16:207:1924:05
7:45
+0:10
20M
20.00 mi13:01:112:27:427:2311:22
8:22
+0:37
21M
21.00 mi13:09:542:36:257:278:43
8:43
+0:21
35K
21.75 mi13:15:502:42:217:285:56
7:56
-0:47
23M
23.00 mi13:27:172:53:487:3311:27
9:09
+1:13
24M
24.00 mi13:36:163:02:477:378:59
8:59
-0:10
40K
24.85 mi13:43:013:09:327:386:45
7:54
-1:05
25.2M
25.20 mi13:46:123:12:437:393:11
9:14
+1:20
Finish
26.22 mi13:54:013:20:327:397:49
7:40
-1:34

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

6:51 /mi

Average Pace

7:39 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:51

35% of race

Time at Steady Pace

1:26:59

43% of race

Time at Slower Pace

43:42

22% of race

Average Pace: 7:39 /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 mi10:54:4521:166:5121:16
6:51
#6679
10K
6.21 mi11:16:3043:016:5521:45
7:00
#7330
15K
9.32 mi11:38:201:04:516:5721:50
7:02
#7492
20K
12.43 mi12:02:201:28:517:0924:00
7:43
#8544
Half
13.11 mi12:07:201:33:517:105:00
7:20
#8631
25K
15.53 mi12:25:441:52:157:1418:24
7:35
#8923
30K
18.64 mi12:49:492:16:207:1924:05
7:45
#8962
20M
20.00 mi13:01:112:27:427:2311:22
8:22
#9271
21M
21.00 mi13:09:542:36:257:278:43
8:43
#9392
35K
21.75 mi13:15:502:42:217:285:56
7:56
#9452
23M
23.00 mi13:27:172:53:487:3311:27
9:09
#9988
24M
24.00 mi13:36:163:02:477:378:59
8:59
#10365
40K
24.85 mi13:43:013:09:327:386:45
7:54
#10286
25.2M
25.20 mi13:46:123:12:437:393:11
9:14
#10329
Finish
26.22 mi13:54:013:20:327:397:49
7:40
#10300
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66796116117824(Top 28%)982(Top 8%)982(Top 18%)
10K6.21 mi3.10 mi7330-651780-169780-1697939(Top 28%)982(Top 8%)982(Top 18%)
15K9.32 mi3.11 mi7492-162838-58838-587824(Top 28%)982(Top 8%)982(Top 18%)
20K12.43 mi3.11 mi8544-10521234-3961234-39612625(Top 44%)3336(Top 27%)3336(Top 61%)
Half13.11 mi0.68 mi8631-871279-451279-4510347(Top 36%)2127(Top 17%)2127(Top 39%)
25K15.53 mi2.42 mi8923-2921412-1331412-13310693(Top 38%)2424(Top 20%)2424(Top 44%)
30K18.64 mi3.11 mi8962-391497-851497-859584(Top 34%)2094(Top 17%)2094(Top 38%)
20M20.00 mi1.36 mi9271-3091661-1641661-16412930(Top 46%)3928(Top 32%)3928(Top 72%)
21M21.00 mi1.00 mi9392-1211748-871748-8711798(Top 42%)3483(Top 28%)3483(Top 64%)
35K21.75 mi0.75 mi9452-601791-431791-4311787(Top 41%)3526(Top 29%)3526(Top 64%)
23M23.00 mi1.25 mi9988-5362105-3142105-31417077(Top 60%)6487(Top 53%)6487(Top 119%)
24M24.00 mi1.00 mi10365-3772319-2142319-21417281(Top 61%)6629(Top 54%)6629(Top 121%)
40K24.85 mi0.85 mi10286+792321-22321-29454(Top 33%)2655(Top 22%)2655(Top 49%)
25.2M25.20 mi0.35 mi10329-432356-352356-3513105(Top 46%)4524(Top 37%)4524(Top 83%)
Finish26.22 mi1.02 mi10300+292374-182374-1810495(Top 37%)3210(Top 26%)3210(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7824

Females

982

F18-39

982

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7939

Females

982

F18-39

982

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7824

Females

982

F18-39

982

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12625

Females

3336

F18-39

3336

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10347

Females

2127

F18-39

2127

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10693

Females

2424

F18-39

2424

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9584

Females

2094

F18-39

2094

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12930

Females

3928

F18-39

3928

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11798

Females

3483

F18-39

3483

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11787

Females

3526

F18-39

3526

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17077

Females

6487

F18-39

6487

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17281

Females

6629

F18-39

6629

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9454

Females

2655

F18-39

2655

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13105

Females

4524

F18-39

4524

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10495

Females

3210

F18-39

3210

Passing Analysis

Category:
Athletes Passed
867
Passed By
4485
Net Change
-3621
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6679
5K → 10K49700-651#6679#7330
10K → 15K93255-162#7330#7492
15K → 20K181070-1052#7492#8544
20K → Half895-87#8544#8631
Half → 25K79371-292#8631#8923
25K → 30K206245-39#8923#8962
30K → 20M40349-309#8962#9271
20M → 21M55176-121#9271#9392
21M → 35K45105-60#9392#9452
35K → 23M25560-536#9452#9988
23M → 24M24399-377#9988#10365
24M → 40K11839+79#10365#10286
40K → 25.2M1760-43#10286#10329
25.2M → Finish9061+29#10329#10300
TOTALS8674485-3621
📊

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