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BOSTON MARATHON 2025

Emma Macdonald

Bib: 17762•F

PA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:38
Rank: #7548
Start → 5K
21:38 | 6:58/mi
10K· 6.21 mi
43:57
Rank: #8461 (-913)
5K → 10K
22:19 | 7:11/mi
15K· 9.32 mi
1:06:11
Rank: #8488 (-27)
10K → 15K
22:14 | 7:09/mi
20K· 12.43 mi
1:28:37
Rank: #8388 (+100)
15K → 20K
22:26 | 7:13/mi
Half· 13.11 mi
1:33:35
Rank: #8446 (-58)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:52:37
Rank: #9131 (-685)
Half → 25K
19:02 | 7:51/mi
30K· 18.64 mi
2:25:53
Rank: #13307 (-4176)
25K → 30K
33:16 | 10:42/mi
20M
2:39:12
Rank: #13990 (-683)
30K → 20M
13:19 | 9:48/mi
21M
2:49:30
Rank: #14440 (-450)
20M → 21M
10:18 | 10:18/mi
35K· 21.75 mi
2:56:20
Rank: #14640 (-200)
21M → 35K
6:50 | 9:08/mi
23M
3:07:08
Rank: #14564 (+76)
35K → 23M
10:48 | 8:38/mi
24M
3:15:45
Rank: #14591 (-27)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:23:39
Rank: #14693 (-102)
24M → 40K
7:54 | 9:14/mi
25.2M
3:26:59
Rank: #14694 (-1)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:34:59
Rank: #14565 (+129)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:35
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time2:01:24
Pace9:16 /mi
📊Positive Split: 29.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:4421:386:5821:38
6:58
-
10K
6.21 mi11:34:0343:577:0422:19
7:11
+0:13
15K
9.32 mi11:56:171:06:117:0622:14
7:09
-0:02
20K
12.43 mi12:18:431:28:377:0822:26
7:13
+0:04
Half
13.11 mi12:23:411:33:357:084:58
7:17
+0:04
25K
15.53 mi12:42:431:52:377:1519:02
7:51
+0:34
30K
18.64 mi13:15:592:25:537:5033:16
10:42
+2:51
20M
20.00 mi13:29:182:39:127:5813:19
9:48
-0:54
21M
21.00 mi13:39:362:49:308:0410:18
10:18
+0:30
35K
21.75 mi13:46:262:56:208:066:50
9:08
-1:10
23M
23.00 mi13:57:143:07:088:0810:48
8:38
-0:30
24M
24.00 mi14:05:513:15:458:098:37
8:37
-0:01
40K
24.85 mi14:13:453:23:398:127:54
9:14
+0:37
25.2M
25.20 mi14:17:053:26:598:133:20
9:40
+0:26
Finish
26.22 mi14:25:053:34:598:128:00
7:51
-1:49

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

6:58 /mi

Average Pace

8:12 /mi

Slowest Pace

10:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:37

56% of race

Time at Steady Pace

26:15

12% of race

Time at Slower Pace

1:08:07

32% of race

Average Pace: 8:12 /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 mi11:11:4421:386:5821:38
6:58
#7548
10K
6.21 mi11:34:0343:577:0422:19
7:11
#8461
15K
9.32 mi11:56:171:06:117:0622:14
7:09
#8488
20K
12.43 mi12:18:431:28:377:0822:26
7:13
#8388
Half
13.11 mi12:23:411:33:357:084:58
7:17
#8446
25K
15.53 mi12:42:431:52:377:1519:02
7:51
#9131
30K
18.64 mi13:15:592:25:537:5033:16
10:42
#13307
20M
20.00 mi13:29:182:39:127:5813:19
9:48
#13990
21M
21.00 mi13:39:362:49:308:0410:18
10:18
#14440
35K
21.75 mi13:46:262:56:208:066:50
9:08
#14640
23M
23.00 mi13:57:143:07:088:0810:48
8:38
#14564
24M
24.00 mi14:05:513:15:458:098:37
8:37
#14591
40K
24.85 mi14:13:453:23:398:127:54
9:14
#14693
25.2M
25.20 mi14:17:053:26:598:133:20
9:40
#14694
Finish
26.22 mi14:25:053:34:598:128:00
7:51
#14565
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi75488288288769(Top 31%)1335(Top 11%)1335(Top 24%)
10K6.21 mi3.10 mi8461-9131168-3401168-3409366(Top 33%)1546(Top 13%)1546(Top 28%)
15K9.32 mi3.11 mi8488-271189-211189-218769(Top 31%)1335(Top 11%)1335(Top 24%)
20K12.43 mi3.11 mi8388+1001181+81181+88399(Top 30%)1273(Top 10%)1273(Top 23%)
Half13.11 mi0.68 mi8446-581203-221203-229931(Top 35%)1947(Top 16%)1947(Top 36%)
25K15.53 mi2.42 mi9131-6851510-3071510-30712786(Top 45%)3557(Top 29%)3557(Top 65%)
30K18.64 mi3.11 mi13307-41763721-22113721-221123415(Top 82%)9558(Top 78%)9558(Top 175%)
20M20.00 mi1.36 mi13990-6834138-4174138-41720302(Top 71%)7960(Top 65%)7960(Top 146%)
21M21.00 mi1.00 mi14440-4504400-2624400-26219375(Top 68%)7535(Top 62%)7535(Top 138%)
35K21.75 mi0.75 mi14640-2004529-1294529-12918888(Top 66%)7385(Top 60%)7385(Top 135%)
23M23.00 mi1.25 mi14564+764524+54524+514105(Top 50%)4849(Top 40%)4849(Top 89%)
24M24.00 mi1.00 mi14591-274569-454569-4515267(Top 54%)5517(Top 45%)5517(Top 101%)
40K24.85 mi0.85 mi14693-1024658-894658-8917540(Top 62%)6873(Top 56%)6873(Top 126%)
25.2M25.20 mi0.35 mi14694-14665-74665-715477(Top 54%)5801(Top 47%)5801(Top 106%)
Finish26.22 mi1.02 mi14565+1294635+304635+3011859(Top 42%)3867(Top 32%)3867(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8769

Females

1335

F18-39

1335

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9366

Females

1546

F18-39

1546

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8769

Females

1335

F18-39

1335

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8399

Females

1273

F18-39

1273

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9931

Females

1947

F18-39

1947

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12786

Females

3557

F18-39

3557

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23415

Females

9558

F18-39

9558

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20302

Females

7960

F18-39

7960

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19375

Females

7535

F18-39

7535

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18888

Females

7385

F18-39

7385

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14105

Females

4849

F18-39

4849

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15267

Females

5517

F18-39

5517

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17540

Females

6873

F18-39

6873

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15477

Females

5801

F18-39

5801

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11859

Females

3867

F18-39

3867

Passing Analysis

Category:
Athletes Passed
973
Passed By
7988
Net Change
-7017
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7548
5K → 10K27940-913#7548#8461
10K → 15K154181-27#8461#8488
15K → 20K219119+100#8488#8388
20K → Half1371-58#8388#8446
Half → 25K42727-685#8446#9131
25K → 30K44178-4176#9131#13307
30K → 20M33716-683#13307#13990
20M → 21M33483-450#13990#14440
21M → 35K25225-200#14440#14640
35K → 23M12852+76#14640#14564
23M → 24M6794-27#14564#14591
24M → 40K44146-102#14591#14693
40K → 25.2M3738-1#14693#14694
25.2M → Finish14718+129#14694#14565
TOTALS9737988-7017
📊

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