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BOSTON MARATHON 2025

Caroline Brooks

Bib: 5487•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Female)
#0 / 12228
Top 3%
Division (F18-39)
#0 / 5469
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:10
Rank: #8928
Start → 5K
22:10 | 7:08/mi
10K· 6.21 mi
43:30
Rank: #7869 (+1059)
5K → 10K
21:20 | 6:52/mi
15K· 9.32 mi
1:04:16
Rank: #7034 (+835)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:25:05
Rank: #6377 (+657)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:29:33
Rank: #6243 (+134)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:45:36
Rank: #5702 (+541)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:06:41
Rank: #5119 (+583)
25K → 30K
21:05 | 6:47/mi
20M
2:16:03
Rank: #4949 (+170)
30K → 20M
9:22 | 6:54/mi
21M
2:23:21
Rank: #4828 (+121)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:28:26
Rank: #4757 (+71)
21M → 35K
5:05 | 6:48/mi
23M
2:37:13
Rank: #4670 (+87)
35K → 23M
8:47 | 7:01/mi
24M
2:44:08
Rank: #4625 (+45)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:50:12
Rank: #4605 (+20)
24M → 40K
6:04 | 7:06/mi
25.2M
2:52:59
Rank: #4644 (-39)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
2:59:59
Rank: #4684 (-40)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:33
Pace6:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:26
Pace6:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2022:107:0822:10
7:08
-
10K
6.21 mi11:10:4043:307:0021:20
6:52
-0:16
15K
9.32 mi11:31:261:04:166:5420:46
6:41
-0:11
20K
12.43 mi11:52:151:25:056:5120:49
6:42
+0:01
Half
13.11 mi11:56:431:29:336:504:28
6:33
-0:09
25K
15.53 mi12:12:461:45:366:4816:03
6:37
+0:04
30K
18.64 mi12:33:512:06:416:4821:05
6:47
+0:10
20M
20.00 mi12:43:132:16:036:489:22
6:54
+0:07
21M
21.00 mi12:50:312:23:216:507:18
7:18
+0:24
35K
21.75 mi12:55:362:28:266:505:05
6:48
-0:30
23M
23.00 mi13:04:232:37:136:508:47
7:01
+0:13
24M
24.00 mi13:11:182:44:086:506:55
6:55
-0:06
40K
24.85 mi13:17:222:50:126:516:04
7:06
+0:11
25.2M
25.20 mi13:20:092:52:596:522:47
8:04
+0:58
Finish
26.22 mi13:27:092:59:596:527:00
6:52
-1:12

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

6:33 /mi

Average Pace

6:52 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:17

23% of race

Time at Steady Pace

1:40:23

56% of race

Time at Slower Pace

38:19

21% of race

Average Pace: 6:52 /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 mi10:49:2022:107:0822:10
7:08
#8928
10K
6.21 mi11:10:4043:307:0021:20
6:52
#7869
15K
9.32 mi11:31:261:04:166:5420:46
6:41
#7034
20K
12.43 mi11:52:151:25:056:5120:49
6:42
#6377
Half
13.11 mi11:56:431:29:336:504:28
6:33
#6243
25K
15.53 mi12:12:461:45:366:4816:03
6:37
#5702
30K
18.64 mi12:33:512:06:416:4821:05
6:47
#5119
20M
20.00 mi12:43:132:16:036:489:22
6:54
#4949
21M
21.00 mi12:50:312:23:216:507:18
7:18
#4828
35K
21.75 mi12:55:362:28:266:505:05
6:48
#4757
23M
23.00 mi13:04:232:37:136:508:47
7:01
#4670
24M
24.00 mi13:11:182:44:086:506:55
6:55
#4625
40K
24.85 mi13:17:222:50:126:516:04
7:06
#4605
25.2M
25.20 mi13:20:092:52:596:522:47
8:04
#4644
Finish
26.22 mi13:27:092:59:596:527:00
6:52
#4684
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8928133713374959(Top 17%)335(Top 3%)335(Top 6%)
10K6.21 mi3.10 mi7869+1059951+386951+3867005(Top 25%)707(Top 6%)707(Top 13%)
15K9.32 mi3.11 mi7034+835707+244707+2444959(Top 17%)335(Top 3%)335(Top 6%)
20K12.43 mi3.11 mi6377+657583+124583+1244458(Top 16%)293(Top 2%)293(Top 5%)
Half13.11 mi0.68 mi6243+134558+25558+254088(Top 14%)244(Top 2%)244(Top 4%)
25K15.53 mi2.42 mi5702+541466+92466+923611(Top 13%)203(Top 2%)203(Top 4%)
30K18.64 mi3.11 mi5119+583396+70396+703373(Top 12%)216(Top 2%)216(Top 4%)
20M20.00 mi1.36 mi4949+170371+25371+253511(Top 12%)263(Top 2%)263(Top 5%)
21M21.00 mi1.00 mi4828+121359+12359+123652(Top 13%)305(Top 2%)305(Top 6%)
35K21.75 mi0.75 mi4757+71357+2357+24128(Top 15%)417(Top 3%)417(Top 8%)
23M23.00 mi1.25 mi4670+87356+1356+13879(Top 14%)384(Top 3%)384(Top 7%)
24M24.00 mi1.00 mi4625+45357-1357-14202(Top 15%)492(Top 4%)492(Top 9%)
40K24.85 mi0.85 mi4605+20363-6363-64475(Top 16%)622(Top 5%)622(Top 11%)
25.2M25.20 mi0.35 mi4644-39368-5368-56348(Top 22%)1351(Top 11%)1351(Top 25%)
Finish26.22 mi1.02 mi4684-40385-17385-174916(Top 17%)836(Top 7%)836(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4959

Females

335

F18-39

335

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7005

Females

707

F18-39

707

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4959

Females

335

F18-39

335

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4458

Females

293

F18-39

293

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4088

Females

244

F18-39

244

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3611

Females

203

F18-39

203

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3373

Females

216

F18-39

216

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3511

Females

263

F18-39

263

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3652

Females

305

F18-39

305

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4128

Females

417

F18-39

417

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3879

Females

384

F18-39

384

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4202

Females

492

F18-39

492

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4475

Females

622

F18-39

622

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6348

Females

1351

F18-39

1351

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4916

Females

836

F18-39

836

Passing Analysis

Category:
Athletes Passed
4540
Passed By
296
Net Change
+4244
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8928
5K → 10K106910+1059#8928#7869
10K → 15K8372+835#7869#7034
15K → 20K6581+657#7034#6377
20K → Half1351+134#6377#6243
Half → 25K5421+541#6243#5702
25K → 30K5841+583#5702#5119
30K → 20M1777+170#5119#4949
20M → 21M14120+121#4949#4828
21M → 35K8615+71#4828#4757
35K → 23M12740+87#4757#4670
23M → 24M8136+45#4670#4625
24M → 40K6141+20#4625#4605
40K → 25.2M1049-39#4605#4644
25.2M → Finish3272-40#4644#4684
TOTALS4540296+4244
📊

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