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BOSTON MARATHON 2025

Cailey Archer

ME

Bib: 11179 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 43%
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
7:07/mi
22:06
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:01/mi
43:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:06/mi
1:05:58
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:20/mi
1:28:45
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:24/mi
1:33:48
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:48/mi
1:52:43
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:29/mi
2:19:04
↑ 181↓ 1480.2%
138 ft elev
20M
8:56/mi
2:31:13
↑ 64↓ 500.2%
148 ft elev
21M
9:42/mi
2:40:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:59/mi
2:47:38
↑ 17↓ 861.7%
156 ft elev
23M
9:09/mi
2:59:06
↑ 23↓ 630.6%
116 ft elev
24M
8:21/mi
3:07:27
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:09/mi
3:14:25
↓ 200.3%
20 ft elev
25.2M
8:45/mi
3:17:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:38/mi
3:25:13
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:48
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:51:25
Pace8:30 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4122:067:0722:06
7:07
-
10K
6.21 mi11:10:2943:547:0421:48
7:01
-0:06
15K
9.32 mi11:32:331:05:587:0522:04
7:06
+0:05
20K
12.43 mi11:55:201:28:457:0822:47
7:20
+0:14
Half
13.11 mi12:00:231:33:487:095:03
7:24
+0:04
25K
15.53 mi12:19:181:52:437:1518:55
7:48
+0:24
30K
18.64 mi12:45:392:19:047:2826:21
8:29
+0:41
20M
20.00 mi12:57:482:31:137:3412:09
8:56
+0:27
21M
21.00 mi13:07:302:40:557:409:42
9:42
+0:46
35K
21.75 mi13:14:132:47:387:426:43
8:59
-0:43
23M
23.00 mi13:25:412:59:067:4711:28
9:09
+0:10
24M
24.00 mi13:34:023:07:277:498:21
8:21
-0:48
40K
24.85 mi13:41:003:14:257:496:58
8:09
-0:12
25.2M
25.20 mi13:44:013:17:267:503:01
8:45
+0:36
Finish
26.22 mi13:51:483:25:137:507:47
7:38
-1:07

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

7:01 /mi

Average Pace

7:50 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:35

50% of race

Time at Steady Pace

1:00:35

30% of race

Time at Slower Pace

43:03

21% of race

Average Pace: 7:50 /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 mi10:48:4122:067:0722:06
7:07
#8791
10K
6.21 mi11:10:2943:547:0421:48
7:01
#8398
15K
9.32 mi11:32:331:05:587:0522:04
7:06
#8321
20K
12.43 mi11:55:201:28:457:0822:47
7:20
#8478
Half
13.11 mi12:00:231:33:487:095:03
7:24
#8590
25K
15.53 mi12:19:181:52:437:1518:55
7:48
#9190
30K
18.64 mi12:45:392:19:047:2826:21
8:29
#10241
20M
20.00 mi12:57:482:31:137:3412:09
8:56
#10778
21M
21.00 mi13:07:302:40:557:409:42
9:42
#11174
35K
21.75 mi13:14:132:47:387:426:43
8:59
#11471
23M
23.00 mi13:25:412:59:067:4711:28
9:09
#11867
24M
24.00 mi13:34:023:07:277:498:21
8:21
#11930
40K
24.85 mi13:41:003:14:257:496:58
8:09
#11876
25.2M
25.20 mi13:44:013:17:267:503:01
8:45
#11842
Finish
26.22 mi13:51:483:25:137:507:47
7:38
#11754
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8791128912898370(Top 29%)1190(Top 10%)1190(Top 22%)
10K6.21 mi3.10 mi8398+3931145+1441145+1448054(Top 28%)1033(Top 8%)1033(Top 19%)
15K9.32 mi3.11 mi8321+771129+161129+168370(Top 29%)1190(Top 10%)1190(Top 22%)
20K12.43 mi3.11 mi8478-1571215-861215-869331(Top 33%)1662(Top 14%)1662(Top 30%)
Half13.11 mi0.68 mi8590-1121263-481263-4810987(Top 39%)2429(Top 20%)2429(Top 44%)
25K15.53 mi2.42 mi9190-6001541-2781541-27812381(Top 44%)3321(Top 27%)3321(Top 61%)
30K18.64 mi3.11 mi10241-10512076-5352076-53514631(Top 52%)4696(Top 38%)4696(Top 86%)
20M20.00 mi1.36 mi10778-5372399-3232399-32316476(Top 58%)5857(Top 48%)5857(Top 107%)
21M21.00 mi1.00 mi11174-3962647-2482647-24817031(Top 60%)6265(Top 51%)6265(Top 115%)
35K21.75 mi0.75 mi11471-2972825-1782825-17818130(Top 64%)6966(Top 57%)6966(Top 127%)
23M23.00 mi1.25 mi11867-3963071-2463071-24617145(Top 60%)6523(Top 53%)6523(Top 119%)
24M24.00 mi1.00 mi11930-633134-633134-6313574(Top 48%)4597(Top 38%)4597(Top 84%)
40K24.85 mi0.85 mi11876+543144-103144-1011235(Top 40%)3519(Top 29%)3519(Top 64%)
25.2M25.20 mi0.35 mi11842+343141+33141+310360(Top 36%)3196(Top 26%)3196(Top 58%)
Finish26.22 mi1.02 mi11754+883132+93132+910250(Top 36%)3110(Top 25%)3110(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8370

Females

1190

F18-39

1190

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

8054

Females

1033

F18-39

1033

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8370

Females

1190

F18-39

1190

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9331

Females

1662

F18-39

1662

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10987

Females

2429

F18-39

2429

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12381

Females

3321

F18-39

3321

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14631

Females

4696

F18-39

4696

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16476

Females

5857

F18-39

5857

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17031

Females

6265

F18-39

6265

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18130

Females

6966

F18-39

6966

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

17145

Females

6523

F18-39

6523

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13574

Females

4597

F18-39

4597

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11235

Females

3519

F18-39

3519

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10360

Females

3196

F18-39

3196

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10250

Females

3110

F18-39

3110

Passing Analysis

Category:
Athletes Passed
1336
Passed By
4297
Net Change
-2963
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8791
5K → 10K46168+393#8791#8398
10K → 15K187110+77#8398#8321
15K → 20K123280-157#8321#8478
20K → Half10122-112#8478#8590
Half → 25K43643-600#8590#9190
25K → 30K481097-1051#9190#10241
30K → 20M33570-537#10241#10778
20M → 21M26422-396#10778#11174
21M → 35K14311-297#11174#11471
35K → 23M42438-396#11471#11867
23M → 24M58121-63#11867#11930
24M → 40K10753+54#11930#11876
40K → 25.2M5420+34#11876#11842
25.2M → Finish13042+88#11842#11754
TOTALS13364297-2963
📊

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