Boston Marathon logo
BOSTON MARATHON 2025

Natasha Michael

Bib: 11395 F GB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:00/mi
21:45
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:58/mi
43:25
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:10/mi
1:05:42
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:30/mi
1:28:59
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:20/mi
1:33:59
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:38/mi
1:52:29
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:04/mi
2:17:33
↑ 181↓ 1480.2%
138 ft elev
20M
8:12/mi
2:28:41
↑ 64↓ 500.2%
148 ft elev
21M
8:38/mi
2:37:19
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:55/mi
2:43:14
↑ 17↓ 861.7%
156 ft elev
23M
8:43/mi
2:54:09
↑ 23↓ 630.6%
116 ft elev
24M
8:55/mi
3:03:04
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:23/mi
3:11:05
↓ 200.3%
20 ft elev
25.2M
10:26/mi
3:14:41
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:56/mi
3:22:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:59
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:48:47
Pace8:18 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5521:457:0021:45
7:00
-
10K
6.21 mi11:10:3543:256:5921:40
6:58
-0:02
15K
9.32 mi11:32:521:05:427:0322:17
7:10
+0:12
20K
12.43 mi11:56:091:28:597:1023:17
7:30
+0:20
Half
13.11 mi12:01:091:33:597:105:00
7:20
-0:10
25K
15.53 mi12:19:391:52:297:1418:30
7:38
+0:18
30K
18.64 mi12:44:432:17:337:2325:04
8:04
+0:26
20M
20.00 mi12:55:512:28:417:2611:08
8:12
+0:08
21M
21.00 mi13:04:292:37:197:298:38
8:38
+0:26
35K
21.75 mi13:10:242:43:147:305:55
7:55
-0:43
23M
23.00 mi13:21:192:54:097:3410:55
8:43
+0:48
24M
24.00 mi13:30:143:03:047:388:55
8:55
+0:12
40K
24.85 mi13:38:153:11:057:418:01
9:23
+0:28
25.2M
25.20 mi13:41:513:14:417:443:36
10:26
+1:03
Finish
26.22 mi13:49:563:22:467:448:05
7:56
-2:30

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

7:44 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:42

35% of race

Time at Steady Pace

1:31:59

45% of race

Time at Slower Pace

40:05

20% of race

Average Pace: 7:44 /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 mi10:48:5521:457:0021:45
7:00
#7844
10K
6.21 mi11:10:3543:256:5921:40
6:58
#7765
15K
9.32 mi11:32:521:05:427:0322:17
7:10
#8111
20K
12.43 mi11:56:091:28:597:1023:17
7:30
#8645
Half
13.11 mi12:01:091:33:597:105:00
7:20
#8702
25K
15.53 mi12:19:391:52:297:1418:30
7:38
#9039
30K
18.64 mi12:44:432:17:337:2325:04
8:04
#9521
20M
20.00 mi12:55:512:28:417:2611:08
8:12
#9669
21M
21.00 mi13:04:292:37:197:298:38
8:38
#9732
35K
21.75 mi13:10:242:43:147:305:55
7:55
#9797
23M
23.00 mi13:21:192:54:097:3410:55
8:43
#10118
24M
24.00 mi13:30:143:03:047:388:55
8:55
#10460
40K
24.85 mi13:38:153:11:057:418:01
9:23
#10783
25.2M
25.20 mi13:41:513:14:417:443:36
10:26
#10929
Finish
26.22 mi13:49:563:22:467:448:05
7:56
#10962
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi7844932932891513911391
10K6.21 mi3.10 mi7765+79917+15917+157779935935
15K9.32 mi3.11 mi8111-3461049-1321049-132891513911391
20K12.43 mi3.11 mi8645-5341270-2211270-2211073423372337
Half13.11 mi0.68 mi8702-571302-321302-321036121412141
25K15.53 mi2.42 mi9039-3371470-1681470-1681100225912591
30K18.64 mi3.11 mi9521-4821738-2681738-2681187332263226
20M20.00 mi1.36 mi9669-1481844-1061844-1061176233283328
21M21.00 mi1.00 mi9732-631896-521896-521129832403240
35K21.75 mi0.75 mi9797-651958-621958-621164534473447
23M23.00 mi1.25 mi10118-3212163-2052163-2051465951455145
24M24.00 mi1.00 mi10460-3422367-2042367-2041692864526452
40K24.85 mi0.85 mi10783-3232573-2062573-2061818472087208
25.2M25.20 mi0.35 mi10929-1462671-982671-981879675077507
Finish26.22 mi1.02 mi10962-332726-552726-551243141394139

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8915

Females

1391

F18-39

1391

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7779

Females

935

F18-39

935

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8915

Females

1391

F18-39

1391

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10734

Females

2337

F18-39

2337

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10361

Females

2141

F18-39

2141

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11002

Females

2591

F18-39

2591

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11873

Females

3226

F18-39

3226

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11762

Females

3328

F18-39

3328

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11298

Females

3240

F18-39

3240

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11645

Females

3447

F18-39

3447

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14659

Females

5145

F18-39

5145

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16928

Females

6452

F18-39

6452

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18184

Females

7208

F18-39

7208

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18796

Females

7507

F18-39

7507

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12431

Females

4139

F18-39

4139

Passing Analysis

Category:
Athletes Passed
883
Passed By
3997
Net Change
-3118
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7844
5K → 10K242163+79#7844#7765
10K → 15K53399-346#7765#8111
15K → 20K59593-534#8111#8645
20K → Half1774-57#8645#8702
Half → 25K75412-337#8702#9039
25K → 30K102584-482#9039#9521
30K → 20M65212-148#9521#9669
20M → 21M73136-63#9669#9732
21M → 35K49114-65#9732#9797
35K → 23M39358-321#9797#10118
23M → 24M26367-342#10118#10460
24M → 40K16339-323#10460#10783
40K → 25.2M13159-146#10783#10929
25.2M → Finish5487-33#10929#10962
TOTALS8833997-3118

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing