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BOSTON MARATHON 2025

Elizabeth Collett

Bib: 15110•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
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
6:55/mi
21:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:01/mi
43:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:14/mi
1:05:47
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:28:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:33:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:41/mi
1:52:33
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:17:11
↑ 181↓ 1480.2%
20M
8:15/mi
2:28:24
↑ 64↓ 500.2%
21M
8:36/mi
2:37:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:42:57
↑ 17↓ 861.7%
23M
8:24/mi
2:53:28
↑ 23↓ 630.6%
24M
8:12/mi
3:01:40
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:08:51
↓ 200.3%
25.2M
8:59/mi
3:11:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:19:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:55
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:46:03
Pace8:05 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1821:306:5521:30
6:55
-
10K
6.21 mi11:15:0643:186:5821:48
7:01
+0:06
15K
9.32 mi11:37:351:05:477:0322:29
7:14
+0:13
20K
12.43 mi12:00:411:28:537:0923:06
7:26
+0:12
Half
13.11 mi12:05:431:33:557:105:02
7:23
-0:03
25K
15.53 mi12:24:211:52:337:1518:38
7:41
+0:18
30K
18.64 mi12:48:592:17:117:2224:38
7:56
+0:15
20M
20.00 mi13:00:122:28:247:2511:13
8:15
+0:19
21M
21.00 mi13:08:482:37:007:298:36
8:36
+0:21
35K
21.75 mi13:14:452:42:577:305:57
7:57
-0:39
23M
23.00 mi13:25:162:53:287:3310:31
8:24
+0:27
24M
24.00 mi13:33:283:01:407:348:12
8:12
-0:12
40K
24.85 mi13:40:393:08:517:367:11
8:24
+0:12
25.2M
25.20 mi13:43:453:11:577:373:06
8:59
+0:35
Finish
26.22 mi13:51:463:19:587:388:01
7:52
-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

6:55 /mi

Average Pace

7:38 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:55

47% of race

Time at Steady Pace

1:05:26

33% of race

Time at Slower Pace

40:37

20% of race

Average Pace: 7:38 /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 mi10:53:1821:306:5521:30
6:55
#7243
10K
6.21 mi11:15:0643:186:5821:48
7:01
#7653
15K
9.32 mi11:37:351:05:477:0322:29
7:14
#8192
20K
12.43 mi12:00:411:28:537:0923:06
7:26
#8574
Half
13.11 mi12:05:431:33:557:105:02
7:23
#8667
25K
15.53 mi12:24:211:52:337:1518:38
7:41
#9080
30K
18.64 mi12:48:592:17:117:2224:38
7:56
#9367
20M
20.00 mi13:00:122:28:247:2511:13
8:15
#9553
21M
21.00 mi13:08:482:37:007:298:36
8:36
#9606
35K
21.75 mi13:14:452:42:577:305:57
7:57
#9682
23M
23.00 mi13:25:162:53:287:3310:31
8:24
#9874
24M
24.00 mi13:33:283:01:407:348:12
8:12
#9979
40K
24.85 mi13:40:393:08:517:367:11
8:24
#10060
25.2M
25.20 mi13:43:453:11:577:373:06
8:59
#10082
Finish
26.22 mi13:51:463:19:587:388:01
7:52
#10133
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72437527529453(Top 33%)1633(Top 13%)1633(Top 30%)
10K6.21 mi3.10 mi7653-410874-122874-1228052(Top 28%)1031(Top 8%)1031(Top 19%)
15K9.32 mi3.11 mi8192-5391078-2041078-2049453(Top 33%)1633(Top 13%)1633(Top 30%)
20K12.43 mi3.11 mi8574-3821244-1661244-16610219(Top 36%)2068(Top 17%)2068(Top 38%)
Half13.11 mi0.68 mi8667-931292-481292-4810741(Top 38%)2306(Top 19%)2306(Top 42%)
25K15.53 mi2.42 mi9080-4131487-1951487-19511435(Top 40%)2808(Top 23%)2808(Top 51%)
30K18.64 mi3.11 mi9367-2871666-1791666-17910867(Top 38%)2713(Top 22%)2713(Top 50%)
20M20.00 mi1.36 mi9553-1861795-1291795-12912179(Top 43%)3529(Top 29%)3529(Top 65%)
21M21.00 mi1.00 mi9606-531842-471842-4711104(Top 39%)3144(Top 26%)3144(Top 57%)
35K21.75 mi0.75 mi9682-761896-541896-5411948(Top 42%)3605(Top 29%)3605(Top 66%)
23M23.00 mi1.25 mi9874-1922050-1542050-15412685(Top 45%)4083(Top 33%)4083(Top 75%)
24M24.00 mi1.00 mi9979-1052135-852135-8512568(Top 44%)4079(Top 33%)4079(Top 75%)
40K24.85 mi0.85 mi10060-812204-692204-6912808(Top 45%)4328(Top 35%)4328(Top 79%)
25.2M25.20 mi0.35 mi10082-222233-292233-2911768(Top 41%)3844(Top 31%)3844(Top 70%)
Finish26.22 mi1.02 mi10133-512288-552288-5511940(Top 42%)3888(Top 32%)3888(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9453

Females

1633

F18-39

1633

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

8052

Females

1031

F18-39

1031

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9453

Females

1633

F18-39

1633

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10219

Females

2068

F18-39

2068

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10741

Females

2306

F18-39

2306

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11435

Females

2808

F18-39

2808

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10867

Females

2713

F18-39

2713

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12179

Females

3529

F18-39

3529

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11104

Females

3144

F18-39

3144

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11948

Females

3605

F18-39

3605

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12685

Females

4083

F18-39

4083

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12568

Females

4079

F18-39

4079

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12808

Females

4328

F18-39

4328

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11768

Females

3844

F18-39

3844

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11940

Females

3888

F18-39

3888

Passing Analysis

Category:
Athletes Passed
837
Passed By
3722
Net Change
-2890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7243
5K → 10K81491-410#7243#7653
10K → 15K35574-539#7653#8192
15K → 20K80462-382#8192#8574
20K → Half10103-93#8574#8667
Half → 25K64477-413#8667#9080
25K → 30K137424-287#9080#9367
30K → 20M62248-186#9367#9553
20M → 21M70123-53#9553#9606
21M → 35K45121-76#9606#9682
35K → 23M62253-192#9682#9874
23M → 24M54158-105#9874#9979
24M → 40K52131-81#9979#10060
40K → 25.2M2547-22#10060#10082
25.2M → Finish60110-51#10082#10133
TOTALS8373722-2890
📊

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