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BOSTON MARATHON 2025

Dariel Sidney

Bib: 26840•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 44%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:43
Rank: #18560
Start → 5K
25:43 | 8:17/mi
10K· 6.21 mi
51:20
Rank: #18376 (+184)
5K → 10K
25:37 | 8:15/mi
15K· 9.32 mi
1:17:32
Rank: #18512 (-136)
10K → 15K
26:12 | 8:26/mi
20K· 12.43 mi
1:44:26
Rank: #18674 (-162)
15K → 20K
26:54 | 8:39/mi
Half· 13.11 mi
1:50:17
Rank: #18718 (-44)
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:11:25
Rank: #18653 (+65)
Half → 25K
21:08 | 8:43/mi
30K· 18.64 mi
2:39:41
Rank: #18541 (+112)
25K → 30K
28:16 | 9:06/mi
20M
2:52:09
Rank: #18472 (+69)
30K → 20M
12:28 | 9:10/mi
21M
3:01:53
Rank: #18366 (+106)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
3:08:19
Rank: #18271 (+95)
21M → 35K
6:26 | 8:36/mi
23M
3:19:31
Rank: #18128 (+143)
35K → 23M
11:12 | 8:57/mi
24M
3:28:25
Rank: #18052 (+76)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:36:29
Rank: #18068 (-16)
24M → 40K
8:04 | 9:26/mi
25.2M
3:39:53
Rank: #18048 (+20)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:48:44
Rank: #18027 (+21)
25.2M → Finish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:17
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:58:27
Pace9:02 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3425:438:1725:43
8:17
-
10K
6.21 mi12:07:1151:208:1625:37
8:15
-0:02
15K
9.32 mi12:33:231:17:328:1926:12
8:26
+0:11
20K
12.43 mi13:00:171:44:268:2426:54
8:39
+0:13
Half
13.11 mi13:06:081:50:178:255:51
8:34
-0:05
25K
15.53 mi13:27:162:11:258:2821:08
8:43
+0:09
30K
18.64 mi13:55:322:39:418:3428:16
9:06
+0:23
20M
20.00 mi14:08:002:52:098:3612:28
9:10
+0:04
21M
21.00 mi14:17:443:01:538:409:44
9:44
+0:34
35K
21.75 mi14:24:103:08:198:406:26
8:36
-1:08
23M
23.00 mi14:35:223:19:318:4011:12
8:57
+0:21
24M
24.00 mi14:44:163:28:258:418:54
8:54
-0:03
40K
24.85 mi14:52:203:36:298:438:04
9:26
+0:32
25.2M
25.20 mi14:55:443:39:538:443:24
9:52
+0:26
Finish
26.22 mi15:04:353:48:448:448:51
8:41
-1:11

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

8:15 /mi

Average Pace

8:44 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:48

73% of race

Time at Steady Pace

58:32

26% of race

Time at Slower Pace

3:24

1% of race

Average Pace: 8:43 /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 mi11:41:3425:438:1725:43
8:17
#18560
10K
6.21 mi12:07:1151:208:1625:37
8:15
#18376
15K
9.32 mi12:33:231:17:328:1926:12
8:26
#18512
20K
12.43 mi13:00:171:44:268:2426:54
8:39
#18674
Half
13.11 mi13:06:081:50:178:255:51
8:34
#18718
25K
15.53 mi13:27:162:11:258:2821:08
8:43
#18653
30K
18.64 mi13:55:322:39:418:3428:16
9:06
#18541
20M
20.00 mi14:08:002:52:098:3612:28
9:10
#18472
21M
21.00 mi14:17:443:01:538:409:44
9:44
#18366
35K
21.75 mi14:24:103:08:198:406:26
8:36
#18271
23M
23.00 mi14:35:223:19:318:4011:12
8:57
#18128
24M
24.00 mi14:44:163:28:258:418:54
8:54
#18052
40K
24.85 mi14:52:203:36:298:438:04
9:26
#18068
25.2M
25.20 mi14:55:443:39:538:443:24
9:52
#18048
Finish
26.22 mi15:04:353:48:448:448:51
8:41
#18027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi185606667666718894(Top 67%)6844(Top 56%)6844(Top 398%)
10K6.21 mi3.10 mi18376+1846549+1186549+11818186(Top 64%)6415(Top 52%)6415(Top 373%)
15K9.32 mi3.11 mi18512-1366634-856634-8518894(Top 67%)6844(Top 56%)6844(Top 398%)
20K12.43 mi3.11 mi18674-1626723-896723-8919182(Top 68%)7015(Top 57%)7015(Top 408%)
Half13.11 mi0.68 mi18718-446746-236746-2319614(Top 69%)7269(Top 59%)7269(Top 423%)
25K15.53 mi2.42 mi18653+656723+236723+2318476(Top 65%)6699(Top 55%)6699(Top 390%)
30K18.64 mi3.11 mi18541+1126681+426681+4218169(Top 64%)6677(Top 55%)6677(Top 389%)
20M20.00 mi1.36 mi18472+696681668117633(Top 62%)6495(Top 53%)6495(Top 378%)
21M21.00 mi1.00 mi18366+1066646+356646+3517160(Top 60%)6357(Top 52%)6357(Top 370%)
35K21.75 mi0.75 mi18271+956610+366610+3616015(Top 56%)5806(Top 47%)5806(Top 338%)
23M23.00 mi1.25 mi18128+1436568+426568+4215910(Top 56%)5846(Top 48%)5846(Top 340%)
24M24.00 mi1.00 mi18052+766545+236545+2316815(Top 59%)6404(Top 52%)6404(Top 373%)
40K24.85 mi0.85 mi18068-166578-336578-3318396(Top 65%)7344(Top 60%)7344(Top 427%)
25.2M25.20 mi0.35 mi18048+206580-26580-216265(Top 57%)6247(Top 51%)6247(Top 364%)
Finish26.22 mi1.02 mi18027+216587-76587-717338(Top 61%)6741(Top 55%)6741(Top 392%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

18894

Females

6844

F40-44

6844

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18186

Females

6415

F40-44

6415

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

18894

Females

6844

F40-44

6844

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19182

Females

7015

F40-44

7015

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

19614

Females

7269

F40-44

7269

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18476

Females

6699

F40-44

6699

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18169

Females

6677

F40-44

6677

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17633

Females

6495

F40-44

6495

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17160

Females

6357

F40-44

6357

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

16015

Females

5806

F40-44

5806

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15910

Females

5846

F40-44

5846

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16815

Females

6404

F40-44

6404

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18396

Females

7344

F40-44

7344

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16265

Females

6247

F40-44

6247

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17338

Females

6741

F40-44

6741

Passing Analysis

Category:
Athletes Passed
2021
Passed By
1488
Net Change
+533
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18560
5K → 10K355171+184#18560#18376
10K → 15K146282-136#18376#18512
15K → 20K139301-162#18512#18674
20K → Half2872-44#18674#18718
Half → 25K188123+65#18718#18653
25K → 30K291179+112#18653#18541
30K → 20M14172+69#18541#18472
20M → 21M15751+106#18472#18366
21M → 35K11015+95#18366#18271
35K → 23M18037+143#18271#18128
23M → 24M10933+76#18128#18052
24M → 40K6076-16#18052#18068
40K → 25.2M4121+20#18068#18048
25.2M → Finish7655+21#18048#18027
TOTALS20211488+533
📊

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