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BOSTON MARATHON 2025

Amanda Steffey

Bib: 16271•F

TX

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0:00
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #5710
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
42:25
Rank: #6554 (-844)
5K → 10K
21:31 | 6:56/mi
15K· 9.32 mi
1:04:07
Rank: #6914 (-360)
10K → 15K
21:42 | 6:59/mi
20K· 12.43 mi
1:25:56
Rank: #6944 (-30)
15K → 20K
21:49 | 7:01/mi
Half· 13.11 mi
1:30:41
Rank: #6970 (-26)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:47:52
Rank: #6884 (+86)
Half → 25K
17:11 | 7:05/mi
30K· 18.64 mi
2:12:18
Rank: #7339 (-455)
25K → 30K
24:26 | 7:52/mi
20M
2:23:37
Rank: #7623 (-284)
30K → 20M
11:19 | 8:20/mi
21M
2:32:56
Rank: #7990 (-367)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
2:39:08
Rank: #8207 (-217)
21M → 35K
6:12 | 8:17/mi
23M
2:50:14
Rank: #8663 (-456)
35K → 23M
11:06 | 8:52/mi
24M
2:59:01
Rank: #9021 (-358)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:06:45
Rank: #9362 (-341)
24M → 40K
7:44 | 9:03/mi
25.2M
3:10:23
Rank: #9561 (-199)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:19:49
Rank: #10086 (-525)
25.2M → Finish
9:26 | 9:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:41
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:49:08
Pace8:20 /mi
📊Positive Split: 20.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1020:546:4420:54
6:44
-
10K
6.21 mi11:15:4142:256:5021:31
6:56
+0:12
15K
9.32 mi11:37:231:04:076:5321:42
6:59
+0:03
20K
12.43 mi11:59:121:25:566:5521:49
7:01
+0:02
Half
13.11 mi12:03:571:30:416:554:45
6:58
-0:03
25K
15.53 mi12:21:081:47:526:5717:11
7:05
+0:07
30K
18.64 mi12:45:342:12:187:0624:26
7:52
+0:47
20M
20.00 mi12:56:532:23:377:1111:19
8:20
+0:28
21M
21.00 mi13:06:122:32:567:179:19
9:19
+0:59
35K
21.75 mi13:12:242:39:087:196:12
8:17
-1:02
23M
23.00 mi13:23:302:50:147:2411:06
8:52
+0:35
24M
24.00 mi13:32:172:59:017:288:47
8:47
-0:05
40K
24.85 mi13:40:013:06:457:317:44
9:03
+0:16
25.2M
25.20 mi13:43:393:10:237:333:38
10:32
+1:29
Finish
26.22 mi13:53:053:19:497:389:26
9:15
-1:17

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

6:44 /mi

Average Pace

7:38 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:52

54% of race

Time at Steady Pace

50:44

25% of race

Time at Slower Pace

41:13

21% of race

Average Pace: 7:37 /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 mi10:54:1020:546:4420:54
6:44
#5710
10K
6.21 mi11:15:4142:256:5021:31
6:56
#6554
15K
9.32 mi11:37:231:04:076:5321:42
6:59
#6914
20K
12.43 mi11:59:121:25:566:5521:49
7:01
#6944
Half
13.11 mi12:03:571:30:416:554:45
6:58
#6970
25K
15.53 mi12:21:081:47:526:5717:11
7:05
#6884
30K
18.64 mi12:45:342:12:187:0624:26
7:52
#7339
20M
20.00 mi12:56:532:23:377:1111:19
8:20
#7623
21M
21.00 mi13:06:122:32:567:179:19
9:19
#7990
35K
21.75 mi13:12:242:39:087:196:12
8:17
#8207
23M
23.00 mi13:23:302:50:147:2411:06
8:52
#8663
24M
24.00 mi13:32:172:59:017:288:47
8:47
#9021
40K
24.85 mi13:40:013:06:457:317:44
9:03
#9362
25.2M
25.20 mi13:43:393:10:237:333:38
10:32
#9561
Finish
26.22 mi13:53:053:19:497:389:26
9:15
#10086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi57104264267541(Top 27%)885(Top 7%)885(Top 16%)
10K6.21 mi3.10 mi6554-844586-160586-1607450(Top 26%)831(Top 7%)831(Top 15%)
15K9.32 mi3.11 mi6914-360689-103689-1037541(Top 27%)885(Top 7%)885(Top 16%)
20K12.43 mi3.11 mi6944-30697-8697-87026(Top 25%)791(Top 6%)791(Top 14%)
Half13.11 mi0.68 mi6970-26706-9706-97389(Top 26%)887(Top 7%)887(Top 16%)
25K15.53 mi2.42 mi6884+867067066908(Top 24%)841(Top 7%)841(Top 15%)
30K18.64 mi3.11 mi7339-455869-163869-16310386(Top 37%)2479(Top 20%)2479(Top 45%)
20M20.00 mi1.36 mi7623-284998-129998-12912670(Top 45%)3780(Top 31%)3780(Top 69%)
21M21.00 mi1.00 mi7990-3671175-1771175-17715238(Top 54%)5302(Top 43%)5302(Top 97%)
35K21.75 mi0.75 mi8207-2171268-931268-9314180(Top 50%)4768(Top 39%)4768(Top 87%)
23M23.00 mi1.25 mi8663-4561495-2271495-22715480(Top 54%)5582(Top 46%)5582(Top 102%)
24M24.00 mi1.00 mi9021-3581681-1861681-18616222(Top 57%)6048(Top 49%)6048(Top 111%)
40K24.85 mi0.85 mi9362-3411869-1881869-18816570(Top 58%)6340(Top 52%)6340(Top 116%)
25.2M25.20 mi0.35 mi9561-1991978-1091978-10919137(Top 67%)7692(Top 63%)7692(Top 141%)
Finish26.22 mi1.02 mi10086-5252263-2852263-28520218(Top 71%)8252(Top 67%)8252(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7541

Females

885

F18-39

885

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7450

Females

831

F18-39

831

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7541

Females

885

F18-39

885

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7026

Females

791

F18-39

791

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7389

Females

887

F18-39

887

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6908

Females

841

F18-39

841

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10386

Females

2479

F18-39

2479

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12670

Females

3780

F18-39

3780

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15238

Females

5302

F18-39

5302

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14180

Females

4768

F18-39

4768

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15480

Females

5582

F18-39

5582

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16222

Females

6048

F18-39

6048

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16570

Females

6340

F18-39

6340

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19137

Females

7692

F18-39

7692

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20218

Females

8252

F18-39

8252

Passing Analysis

Category:
Athletes Passed
639
Passed By
5013
Net Change
-4376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5710
5K → 10K33877-844#5710#6554
10K → 15K56416-360#6554#6914
15K → 20K126156-30#6914#6944
20K → Half1440-26#6944#6970
Half → 25K15973+86#6970#6884
25K → 30K74529-455#6884#7339
30K → 20M40324-284#7339#7623
20M → 21M31398-367#7623#7990
21M → 35K17234-217#7990#8207
35K → 23M36492-456#8207#8663
23M → 24M16374-358#8663#9021
24M → 40K24365-341#9021#9362
40K → 25.2M7206-199#9362#9561
25.2M → Finish6529-525#9561#10086
TOTALS6395013-4376
📊

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