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BOSTON MARATHON 2025

Amanda Armstrong

Bib: 25808•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
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
24:52
Rank: #16636
Start → 5K
24:52 | 8:00/mi
10K· 6.21 mi
50:23
Rank: #17322 (-686)
5K → 10K
25:31 | 8:13/mi
15K· 9.32 mi
1:16:07
Rank: #17540 (-218)
10K → 15K
25:44 | 8:17/mi
20K· 12.43 mi
1:42:33
Rank: #17698 (-158)
15K → 20K
26:26 | 8:30/mi
Half· 13.11 mi
1:48:17
Rank: #17736 (-38)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:09:18
Rank: #17741 (-5)
Half → 25K
21:01 | 8:40/mi
30K· 18.64 mi
2:37:11
Rank: #17681 (+60)
25K → 30K
27:53 | 8:58/mi
20M
2:49:27
Rank: #17592 (+89)
30K → 20M
12:16 | 9:02/mi
21M
2:59:02
Rank: #17524 (+68)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:05:18
Rank: #17402 (+122)
21M → 35K
6:16 | 8:23/mi
23M
3:16:27
Rank: #17292 (+110)
35K → 23M
11:09 | 8:54/mi
24M
3:25:07
Rank: #17197 (+95)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:32:45
Rank: #17145 (+52)
24M → 40K
7:38 | 8:56/mi
25.2M
3:36:08
Rank: #17121 (+24)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:44:35
Rank: #17031 (+90)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:17
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:56:18
Pace8:52 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:1024:528:0024:52
8:00
-
10K
6.21 mi12:05:4150:238:0725:31
8:13
+0:13
15K
9.32 mi12:31:251:16:078:1025:44
8:17
+0:04
20K
12.43 mi12:57:511:42:338:1526:26
8:30
+0:13
Half
13.11 mi13:03:351:48:178:165:44
8:24
-0:06
25K
15.53 mi13:24:362:09:188:1921:01
8:40
+0:16
30K
18.64 mi13:52:292:37:118:2627:53
8:58
+0:18
20M
20.00 mi14:04:452:49:278:2812:16
9:02
+0:04
21M
21.00 mi14:14:202:59:028:329:35
9:35
+0:33
35K
21.75 mi14:20:363:05:188:316:16
8:23
-1:12
23M
23.00 mi14:31:453:16:278:3211:09
8:54
+0:31
24M
24.00 mi14:40:253:25:078:338:40
8:40
-0:14
40K
24.85 mi14:48:033:32:458:347:38
8:56
+0:16
25.2M
25.20 mi14:51:263:36:088:353:23
9:49
+0:53
Finish
26.22 mi14:59:533:44:358:348:27
8:18
-1:31

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

8:00 /mi

Average Pace

8:34 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:34

43% of race

Time at Steady Pace

1:07:16

30% of race

Time at Slower Pace

1:00:45

27% of race

Average Pace: 8:34 /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 mi11:40:1024:528:0024:52
8:00
#16636
10K
6.21 mi12:05:4150:238:0725:31
8:13
#17322
15K
9.32 mi12:31:251:16:078:1025:44
8:17
#17540
20K
12.43 mi12:57:511:42:338:1526:26
8:30
#17698
Half
13.11 mi13:03:351:48:178:165:44
8:24
#17736
25K
15.53 mi13:24:362:09:188:1921:01
8:40
#17741
30K
18.64 mi13:52:292:37:118:2627:53
8:58
#17681
20M
20.00 mi14:04:452:49:278:2812:16
9:02
#17592
21M
21.00 mi14:14:202:59:028:329:35
9:35
#17524
35K
21.75 mi14:20:363:05:188:316:16
8:23
#17402
23M
23.00 mi14:31:453:16:278:3211:09
8:54
#17292
24M
24.00 mi14:40:253:25:078:338:40
8:40
#17197
40K
24.85 mi14:48:033:32:458:347:38
8:56
#17145
25.2M
25.20 mi14:51:263:36:088:353:23
9:49
#17121
Finish
26.22 mi14:59:533:44:358:348:27
8:18
#17031
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi166365539553917940(Top 63%)6279(Top 51%)6279(Top 115%)
10K6.21 mi3.10 mi17322-6865921-3825921-38217984(Top 63%)6278(Top 51%)6278(Top 115%)
15K9.32 mi3.11 mi17540-2186034-1136034-11317940(Top 63%)6279(Top 51%)6279(Top 115%)
20K12.43 mi3.11 mi17698-1586155-1216155-12118315(Top 64%)6508(Top 53%)6508(Top 119%)
Half13.11 mi0.68 mi17736-386185-306185-3018628(Top 66%)6687(Top 55%)6687(Top 122%)
25K15.53 mi2.42 mi17741-56202-176202-1718199(Top 64%)6530(Top 53%)6530(Top 119%)
30K18.64 mi3.11 mi17681+606225-236225-2317559(Top 62%)6339(Top 52%)6339(Top 116%)
20M20.00 mi1.36 mi17592+896201+246201+2416947(Top 60%)6106(Top 50%)6106(Top 112%)
21M21.00 mi1.00 mi17524+686184+176184+1716477(Top 58%)5965(Top 49%)5965(Top 109%)
35K21.75 mi0.75 mi17402+1226141+436141+4314778(Top 52%)5127(Top 42%)5127(Top 94%)
23M23.00 mi1.25 mi17292+1106109+326109+3215725(Top 55%)5734(Top 47%)5734(Top 105%)
24M24.00 mi1.00 mi17197+956074+356074+3515564(Top 55%)5677(Top 46%)5677(Top 104%)
40K24.85 mi0.85 mi17145+526070+46070+415921(Top 56%)6001(Top 49%)6001(Top 110%)
25.2M25.20 mi0.35 mi17121+246068+26068+216204(Top 57%)6189(Top 51%)6189(Top 113%)
Finish26.22 mi1.02 mi17031+906039+296039+2914901(Top 52%)5429(Top 44%)5429(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17940

Females

6279

F18-39

6279

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17984

Females

6278

F18-39

6278

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17940

Females

6279

F18-39

6279

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18315

Females

6508

F18-39

6508

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18628

Females

6687

F18-39

6687

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18199

Females

6530

F18-39

6530

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17559

Females

6339

F18-39

6339

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16947

Females

6106

F18-39

6106

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16477

Females

5965

F18-39

5965

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14778

Females

5127

F18-39

5127

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15725

Females

5734

F18-39

5734

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15564

Females

5677

F18-39

5677

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15921

Females

6001

F18-39

6001

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16204

Females

6189

F18-39

6189

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14901

Females

5429

F18-39

5429

Passing Analysis

Category:
Athletes Passed
1762
Passed By
2157
Net Change
-395
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16636
5K → 10K95781-686#16636#17322
10K → 15K128346-218#17322#17540
15K → 20K138296-158#17540#17698
20K → Half2361-38#17698#17736
Half → 25K172177-5#17736#17741
25K → 30K245185+60#17741#17681
30K → 20M15465+89#17681#17592
20M → 21M13567+68#17592#17524
21M → 35K1319+122#17524#17402
35K → 23M17060+110#17402#17292
23M → 24M12631+95#17292#17197
24M → 40K8836+52#17197#17145
40K → 25.2M4420+24#17145#17121
25.2M → Finish11323+90#17121#17031
TOTALS17622157-395
📊

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