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BOSTON MARATHON 2025

Michaela Nargi

Bib: 25778•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
30:38
Rank: #25243
Start → 5K
9:52/mi
30:38 split
10K· 6.21 mi
1:00:08
Rank: #24687 (+556)
5K → 10K
9:30/mi
29:30 split
15K· 9.32 mi
1:30:25
Rank: #24581 (+106)
10K → 15K
9:45/mi
30:17 split
20K· 12.43 mi
1:59:22
Rank: #24035 (+546)
15K → 20K
9:19/mi
28:57 split
Half· 13.11 mi
2:05:49
Rank: #23998 (+37)
20K → Half
9:27/mi
6:27 split
25K· 15.53 mi
2:29:07
Rank: #23695 (+303)
Half → 25K
9:37/mi
23:18 split
30K· 18.64 mi
3:00:47
Rank: #23402 (+293)
25K → 30K
10:12/mi
31:40 split
20M
3:14:51
Rank: #23261 (+141)
30K → 20M
10:21/mi
14:04 split
21M
3:25:42
Rank: #23134 (+127)
20M → 21M
10:51/mi
10:51 split
35K· 21.75 mi
3:33:25
Rank: #23118 (+16)
21M → 35K
10:19/mi
7:43 split
23M
3:46:54
Rank: #23096 (+22)
35K → 23M
10:46/mi
13:29 split
24M
3:57:35
Rank: #23100 (-4)
23M → 24M
10:41/mi
10:41 split
40K· 24.85 mi
4:07:13
Rank: #23120 (-20)
24M → 40K
11:16/mi
9:38 split
25.2M
4:11:13
Rank: #23107 (+13)
40K → 25.2M
11:36/mi
4:00 split
Finish· 26.22 mi
4:21:05
Rank: #23070 (+37)
25.2M → Finish
9:41/mi
9:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:49
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:15:16
Pace10:19 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2930:389:5230:38
9:52
-
10K
6.21 mi12:21:591:00:089:4129:30
9:30
-0:22
15K
9.32 mi12:52:161:30:259:4230:17
9:45
+0:15
20K
12.43 mi13:21:131:59:229:3628:57
9:19
-0:26
Half
13.11 mi13:27:402:05:499:366:27
9:27
+0:08
25K
15.53 mi13:50:582:29:079:3623:18
9:37
+0:10
30K
18.64 mi14:22:383:00:479:4231:40
10:12
+0:35
20M
20.00 mi14:36:423:14:519:4514:04
10:21
+0:09
21M
21.00 mi14:47:333:25:429:4810:51
10:51
+0:30
35K
21.75 mi14:55:163:33:259:497:43
10:19
-0:32
23M
23.00 mi15:08:453:46:549:5213:29
10:46
+0:27
24M
24.00 mi15:19:263:57:359:5410:41
10:41
-0:05
40K
24.85 mi15:29:044:07:139:579:38
11:16
+0:35
25.2M
25.20 mi15:33:044:11:139:584:00
11:36
+0:20
Finish
26.22 mi15:42:564:21:059:589:52
9:41
-1:55

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

9:19 /mi

Average Pace

9:58 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:21

49% of race

Time at Steady Pace

1:24:05

32% of race

Time at Slower Pace

48:39

19% of race

Average Pace: 9:57 /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 mi11:52:2930:389:5230:38
9:52
#25243
10K
6.21 mi12:21:591:00:089:4129:30
9:30
#24687
15K
9.32 mi12:52:161:30:259:4230:17
9:45
#24581
20K
12.43 mi13:21:131:59:229:3628:57
9:19
#24035
Half
13.11 mi13:27:402:05:499:366:27
9:27
#23998
25K
15.53 mi13:50:582:29:079:3623:18
9:37
#23695
30K
18.64 mi14:22:383:00:479:4231:40
10:12
#23402
20M
20.00 mi14:36:423:14:519:4514:04
10:21
#23261
21M
21.00 mi14:47:333:25:429:4810:51
10:51
#23134
35K
21.75 mi14:55:163:33:259:497:43
10:19
#23118
23M
23.00 mi15:08:453:46:549:5213:29
10:46
#23096
24M
24.00 mi15:19:263:57:359:5410:41
10:41
#23100
40K
24.85 mi15:29:044:07:139:579:38
11:16
#23120
25.2M
25.20 mi15:33:044:11:139:584:00
11:36
#23107
Finish
26.22 mi15:42:564:21:059:589:52
9:41
#23070
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25243103411034124423(Top 86%)9907(Top 81%)9907(Top 181%)
10K6.21 mi3.10 mi24687+55610056+28510056+28524093(Top 85%)9736(Top 80%)9736(Top 178%)
15K9.32 mi3.11 mi24581+10610002+5410002+5424423(Top 86%)9907(Top 81%)9907(Top 181%)
20K12.43 mi3.11 mi24035+5469711+2919711+29122335(Top 79%)8775(Top 72%)8775(Top 160%)
Half13.11 mi0.68 mi23998+379694+179694+1723454(Top 83%)9406(Top 77%)9406(Top 172%)
25K15.53 mi2.42 mi23695+3039521+1739521+17322235(Top 78%)8781(Top 72%)8781(Top 161%)
30K18.64 mi3.11 mi23402+2939405+1169405+11622173(Top 78%)8861(Top 72%)8861(Top 162%)
20M20.00 mi1.36 mi23261+1419344+619344+6122030(Top 78%)8910(Top 73%)8910(Top 163%)
21M21.00 mi1.00 mi23134+1279294+509294+5020997(Top 74%)8453(Top 69%)8453(Top 155%)
35K21.75 mi0.75 mi23118+169295-19295-122750(Top 80%)9413(Top 77%)9413(Top 172%)
23M23.00 mi1.25 mi23096+229318-239318-2322684(Top 80%)9434(Top 77%)9434(Top 172%)
24M24.00 mi1.00 mi23100-49345-279345-2723290(Top 82%)9779(Top 80%)9779(Top 179%)
40K24.85 mi0.85 mi23120-209372-279372-2723708(Top 83%)10032(Top 82%)10032(Top 183%)
25.2M25.20 mi0.35 mi23107+139369+39369+322345(Top 79%)9328(Top 76%)9328(Top 171%)
Finish26.22 mi1.02 mi23070+379359+109359+1021872(Top 77%)9097(Top 74%)9097(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24423

Females

9907

F18-39

9907

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24093

Females

9736

F18-39

9736

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24423

Females

9907

F18-39

9907

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22335

Females

8775

F18-39

8775

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23454

Females

9406

F18-39

9406

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22235

Females

8781

F18-39

8781

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22173

Females

8861

F18-39

8861

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22030

Females

8910

F18-39

8910

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

20997

Females

8453

F18-39

8453

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22750

Females

9413

F18-39

9413

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22684

Females

9434

F18-39

9434

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23290

Females

9779

F18-39

9779

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23708

Females

10032

F18-39

10032

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22345

Females

9328

F18-39

9328

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21872

Females

9097

F18-39

9097

Passing Analysis

Category:
Athletes Passed
2626
Passed By
453
Net Change
+2173
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25243
5K → 10K59539+556#25243#24687
10K → 15K19791+106#24687#24581
15K → 20K5471+546#24581#24035
20K → Half5013+37#24035#23998
Half → 25K3074+303#23998#23695
25K → 30K34148+293#23695#23402
30K → 20M15312+141#23402#23261
20M → 21M1358+127#23261#23134
21M → 35K4731+16#23134#23118
35K → 23M7856+22#23118#23096
23M → 24M5357-4#23096#23100
24M → 40K4666-20#23100#23120
40K → 25.2M218+13#23120#23107
25.2M → Finish5619+37#23107#23070
TOTALS2626453+2173
📊

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