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BOSTON MARATHON 2025

Stephanie Michaelis

Bib: 20027•F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F40-44)
#0 / 1718
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:48
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:37:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:42:27
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:01:26
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:27:21
↑ 181↓ 1480.2%
20M
8:49/mi
2:39:20
↑ 64↓ 500.2%
21M
10:29/mi
2:49:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:55:38
↑ 17↓ 861.7%
23M
8:06/mi
3:05:46
↑ 23↓ 630.6%
24M
7:55/mi
3:13:41
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:20:29
↓ 200.3%
25.2M
9:23/mi
3:23:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:31:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:27
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:49:29
Pace8:21 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0824:297:5324:29
7:53
-
10K
6.21 mi11:40:2048:417:5024:12
7:47
-0:06
15K
9.32 mi12:04:271:12:487:4924:07
7:46
-0:01
20K
12.43 mi12:28:481:37:097:4924:21
7:50
+0:04
Half
13.11 mi12:34:061:42:277:495:18
7:46
-0:04
25K
15.53 mi12:53:052:01:267:4918:59
7:50
+0:04
30K
18.64 mi13:19:002:27:217:5425:55
8:21
+0:31
20M
20.00 mi13:30:592:39:207:5811:59
8:49
+0:28
21M
21.00 mi13:41:282:49:498:0510:29
10:29
+1:40
35K
21.75 mi13:47:172:55:388:055:49
7:46
-2:43
23M
23.00 mi13:57:253:05:468:0510:08
8:06
+0:20
24M
24.00 mi14:05:203:13:418:047:55
7:55
-0:11
40K
24.85 mi14:12:083:20:298:046:48
7:57
+0:02
25.2M
25.20 mi14:15:223:23:438:053:14
9:23
+1:26
Finish
26.22 mi14:23:353:31:568:058:13
8:04
-1:19

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

7:46 /mi

Average Pace

8:05 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:40:19

76% of race

Time at Slower Pace

51:37

24% of race

Average Pace: 8:05 /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 mi11:16:0824:297:5324:29
7:53
#15518
10K
6.21 mi11:40:2048:417:5024:12
7:47
#15103
15K
9.32 mi12:04:271:12:487:4924:07
7:46
#14722
20K
12.43 mi12:28:481:37:097:4924:21
7:50
#14399
Half
13.11 mi12:34:061:42:277:495:18
7:46
#14366
25K
15.53 mi12:53:052:01:267:4918:59
7:50
#14025
30K
18.64 mi13:19:002:27:217:5425:55
8:21
#13920
20M
20.00 mi13:30:592:39:207:5811:59
8:49
#14045
21M
21.00 mi13:41:282:49:498:0510:29
10:29
#14575
35K
21.75 mi13:47:172:55:388:055:49
7:46
#14408
23M
23.00 mi13:57:253:05:468:0510:08
8:06
#14157
24M
24.00 mi14:05:203:13:418:047:55
7:55
#13973
40K
24.85 mi14:12:083:20:298:046:48
7:57
#13769
25.2M
25.20 mi14:15:223:23:438:053:14
9:23
#13763
Finish
26.22 mi14:23:353:31:568:058:13
8:04
#13732
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi155184840484014060(Top 50%)4052(Top 33%)4052(Top 236%)
10K6.21 mi3.10 mi15103+4154605+2354605+23514717(Top 52%)4374(Top 36%)4374(Top 255%)
15K9.32 mi3.11 mi14722+3814386+2194386+21914060(Top 50%)4052(Top 33%)4052(Top 236%)
20K12.43 mi3.11 mi14399+3234234+1524234+15213586(Top 48%)3868(Top 32%)3868(Top 225%)
Half13.11 mi0.68 mi14366+334221+134221+1314065(Top 50%)4098(Top 34%)4098(Top 239%)
25K15.53 mi2.42 mi14025+3414061+1604061+16012603(Top 44%)3457(Top 28%)3457(Top 201%)
30K18.64 mi3.11 mi13920+1054059+24059+213765(Top 48%)4237(Top 35%)4237(Top 247%)
20M20.00 mi1.36 mi14045-1254165-1064165-10615770(Top 56%)5456(Top 45%)5456(Top 318%)
21M21.00 mi1.00 mi14575-5304487-3224487-32219954(Top 70%)7876(Top 64%)7876(Top 458%)
35K21.75 mi0.75 mi14408+1674399+884399+8810702(Top 38%)2973(Top 24%)2973(Top 173%)
23M23.00 mi1.25 mi14157+2514316+834316+8310744(Top 38%)3116(Top 25%)3116(Top 181%)
24M24.00 mi1.00 mi13973+1844246+704246+7010712(Top 38%)3153(Top 26%)3153(Top 184%)
40K24.85 mi0.85 mi13769+2044163+834163+839920(Top 35%)2900(Top 24%)2900(Top 169%)
25.2M25.20 mi0.35 mi13763+64174-114174-1113917(Top 49%)4960(Top 41%)4960(Top 289%)
Finish26.22 mi1.02 mi13732+314179-54179-513339(Top 47%)4618(Top 38%)4618(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14060

Females

4052

F40-44

4052

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14717

Females

4374

F40-44

4374

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14060

Females

4052

F40-44

4052

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13586

Females

3868

F40-44

3868

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14065

Females

4098

F40-44

4098

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12603

Females

3457

F40-44

3457

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13765

Females

4237

F40-44

4237

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15770

Females

5456

F40-44

5456

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19954

Females

7876

F40-44

7876

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10702

Females

2973

F40-44

2973

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10744

Females

3116

F40-44

3116

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10712

Females

3153

F40-44

3153

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9920

Females

2900

F40-44

2900

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13917

Females

4960

F40-44

4960

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13339

Females

4618

F40-44

4618

Passing Analysis

Category:
Athletes Passed
3154
Passed By
1368
Net Change
+1786
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15518
5K → 10K554139+415#15518#15103
10K → 15K43453+381#15103#14722
15K → 20K38360+323#14722#14399
20K → Half5118+33#14399#14366
Half → 25K36322+341#14366#14025
25K → 30K302197+105#14025#13920
30K → 20M82207-125#13920#14045
20M → 21M28558-530#14045#14575
21M → 35K1714+167#14575#14408
35K → 23M26110+251#14408#14157
23M → 24M19410+184#14157#13973
24M → 40K21511+204#13973#13769
40K → 25.2M3630+6#13769#13763
25.2M → Finish8049+31#13763#13732
TOTALS31541368+1786
📊

Passing Visuals

Category:
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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