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BOSTON MARATHON 2025

Aja Starkey

Bib: 16310•F

MT

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
Division (F18-39)
#0 / 5469
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
8:09/mi
25:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
50:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:16:02
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:47:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:07:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:34:18
↑ 181↓ 1480.2%
20M
8:07/mi
2:45:20
↑ 64↓ 500.2%
21M
8:27/mi
2:53:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:59:40
↑ 17↓ 861.7%
23M
7:37/mi
3:09:12
↑ 23↓ 630.6%
24M
7:30/mi
3:16:42
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:23:21
↓ 200.3%
25.2M
8:13/mi
3:26:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:33:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:17
Pace8:11 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:27
Pace8:07 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:0125:188:0925:18
8:09
-
10K
6.21 mi11:24:2950:468:1025:28
8:12
+0:03
15K
9.32 mi11:49:451:16:028:0925:16
8:08
-0:04
20K
12.43 mi12:15:241:41:418:1125:39
8:15
+0:07
Half
13.11 mi12:21:001:47:178:115:36
8:12
-0:03
25K
15.53 mi12:41:192:07:368:1320:19
8:23
+0:11
30K
18.64 mi13:08:012:34:188:1726:42
8:36
+0:13
20M
20.00 mi13:19:032:45:208:1611:02
8:07
-0:29
21M
21.00 mi13:27:302:53:478:178:27
8:27
+0:20
35K
21.75 mi13:33:232:59:408:165:53
7:52
-0:35
23M
23.00 mi13:42:553:09:128:149:32
7:37
-0:15
24M
24.00 mi13:50:253:16:428:127:30
7:30
-0:07
40K
24.85 mi13:57:043:23:218:116:39
7:47
+0:17
25.2M
25.20 mi13:59:543:26:118:112:50
8:13
+0:26
Finish
26.22 mi14:07:273:33:448:097:33
7:25
-0:48

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

7:25 /mi

Average Pace

8:09 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:43

46% of race

Time at Steady Pace

1:55:01

54% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi10:59:0125:188:0925:18
8:09
#17682
10K
6.21 mi11:24:2950:468:1025:28
8:12
#17766
15K
9.32 mi11:49:451:16:028:0925:16
8:08
#17468
20K
12.43 mi12:15:241:41:418:1125:39
8:15
#17227
Half
13.11 mi12:21:001:47:178:115:36
8:12
#17217
25K
15.53 mi12:41:192:07:368:1320:19
8:23
#17040
30K
18.64 mi13:08:012:34:188:1726:42
8:36
#16702
20M
20.00 mi13:19:032:45:208:1611:02
8:07
#16292
21M
21.00 mi13:27:302:53:478:178:27
8:27
#15915
35K
21.75 mi13:33:232:59:408:165:53
7:52
#15731
23M
23.00 mi13:42:553:09:128:149:32
7:37
#15232
24M
24.00 mi13:50:253:16:428:127:30
7:30
#14857
40K
24.85 mi13:57:043:23:218:116:39
7:47
#14605
25.2M
25.20 mi13:59:543:26:118:112:50
8:13
#14470
Finish
26.22 mi14:07:273:33:448:097:33
7:25
#14226
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi176826138613816965(Top 60%)5709(Top 47%)5709(Top 104%)
10K6.21 mi3.10 mi17766-846181-436181-4317869(Top 63%)6217(Top 51%)6217(Top 114%)
15K9.32 mi3.11 mi17468+2985991+1905991+19016965(Top 60%)5709(Top 47%)5709(Top 104%)
20K12.43 mi3.11 mi17227+2415873+1185873+11816666(Top 59%)5581(Top 46%)5581(Top 102%)
Half13.11 mi0.68 mi17217+105871+25871+217325(Top 61%)5924(Top 48%)5924(Top 108%)
25K15.53 mi2.42 mi17040+1775790+815790+8116435(Top 58%)5546(Top 45%)5546(Top 101%)
30K18.64 mi3.11 mi16702+3385636+1545636+15415355(Top 54%)5101(Top 42%)5101(Top 93%)
20M20.00 mi1.36 mi16292+4105428+2085428+20811285(Top 40%)3090(Top 25%)3090(Top 57%)
21M21.00 mi1.00 mi15915+3775259+1695259+16910201(Top 36%)2716(Top 22%)2716(Top 50%)
35K21.75 mi0.75 mi15731+1845175+845175+8411376(Top 40%)3328(Top 27%)3328(Top 61%)
23M23.00 mi1.25 mi15232+4994912+2634912+2637379(Top 26%)1578(Top 13%)1578(Top 29%)
24M24.00 mi1.00 mi14857+3754722+1904722+1907749(Top 27%)1782(Top 15%)1782(Top 33%)
40K24.85 mi0.85 mi14605+2524601+1214601+1218661(Top 30%)2313(Top 19%)2313(Top 42%)
25.2M25.20 mi0.35 mi14470+1354542+594542+597288(Top 26%)1804(Top 15%)1804(Top 33%)
Finish26.22 mi1.02 mi14226+2444435+1074435+1078612(Top 30%)2359(Top 19%)2359(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16965

Females

5709

F18-39

5709

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17869

Females

6217

F18-39

6217

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16965

Females

5709

F18-39

5709

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16666

Females

5581

F18-39

5581

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17325

Females

5924

F18-39

5924

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16435

Females

5546

F18-39

5546

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15355

Females

5101

F18-39

5101

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11285

Females

3090

F18-39

3090

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10201

Females

2716

F18-39

2716

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11376

Females

3328

F18-39

3328

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7379

Females

1578

F18-39

1578

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7749

Females

1782

F18-39

1782

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8661

Females

2313

F18-39

2313

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7288

Females

1804

F18-39

1804

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8612

Females

2359

F18-39

2359

Passing Analysis

Category:
Athletes Passed
4094
Passed By
638
Net Change
+3456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17682
5K → 10K247331-84#17682#17766
10K → 15K37678+298#17766#17468
15K → 20K30665+241#17468#17227
20K → Half3424+10#17227#17217
Half → 25K24467+177#17217#17040
25K → 30K40567+338#17040#16702
30K → 20M4100+410#16702#16292
20M → 21M3792+377#16292#15915
21M → 35K1862+184#15915#15731
35K → 23M4990+499#15731#15232
23M → 24M3750+375#15232#14857
24M → 40K2531+252#14857#14605
40K → 25.2M1350+135#14605#14470
25.2M → Finish2451+244#14470#14226
TOTALS4094638+3456
📊

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