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BOSTON MARATHON 2023

Dallas Crispin

Bib: 25808•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:28
Rank: #23765
Start → 5K
31:28 | 10:08/mi
10K· 6.21 mi
1:02:32
Rank: #23762 (+3)
5K → 10K
31:04 | 10:00/mi
15K· 9.32 mi
1:32:54
Rank: #23536 (+226)
10K → 15K
30:22 | 9:46/mi
20K· 12.43 mi
2:06:02
Rank: #23723 (-187)
15K → 20K
33:08 | 10:40/mi
Half· 13.11 mi
2:12:42
Rank: #23673 (+50)
20K → Half
6:40 | 9:46/mi
25K· 15.53 mi
2:37:39
Rank: #23508 (+165)
Half → 25K
24:57 | 10:17/mi
30K· 18.64 mi
3:13:18
Rank: #23562 (-54)
25K → 30K
35:39 | 11:28/mi
20M
3:28:29
Rank: #23520 (+42)
30K → 20M
15:11 | 11:10/mi
21M
3:39:58
Rank: #23442 (+78)
20M → 21M
11:29 | 11:29/mi
35K· 21.75 mi
3:47:30
Rank: #23376 (+66)
21M → 35K
7:32 | 10:04/mi
23M
4:01:21
Rank: #23327 (+49)
35K → 23M
13:51 | 11:04/mi
24M
4:12:15
Rank: #23313 (+14)
23M → 24M
10:54 | 10:54/mi
40K· 24.85 mi
4:21:45
Rank: #23288 (+25)
24M → 40K
9:30 | 11:07/mi
25.2M
4:25:42
Rank: #23256 (+32)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:36:03
Rank: #23207 (+49)
25.2M → Finish
10:21 | 10:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:42
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:23:21
Pace10:56 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2831:2810:0831:28
10:08
-
10K
6.21 mi12:19:321:02:3210:0431:04
10:00
-0:08
15K
9.32 mi12:49:541:32:549:5830:22
9:46
-0:14
20K
12.43 mi13:23:022:06:0210:0833:08
10:40
+0:54
Half
13.11 mi13:29:422:12:4210:076:40
9:46
-0:54
25K
15.53 mi13:54:392:37:3910:0924:57
10:17
+0:31
30K
18.64 mi14:30:183:13:1810:2235:39
11:28
+1:11
20M
20.00 mi14:45:293:28:2910:2515:11
11:10
-0:18
21M
21.00 mi14:56:583:39:5810:2811:29
11:29
+0:19
35K
21.75 mi15:04:303:47:3010:287:32
10:04
-1:25
23M
23.00 mi15:18:214:01:2110:3013:51
11:04
+1:00
24M
24.00 mi15:29:154:12:1510:3110:54
10:54
-0:10
40K
24.85 mi15:38:454:21:4510:329:30
11:07
+0:13
25.2M
25.20 mi15:42:424:25:4210:333:57
11:27
+0:20
Finish
26.22 mi15:53:034:36:0310:3210:21
10:09
-1:18

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

9:46 /mi

Average Pace

10:32 /mi

Slowest Pace

11:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:32

64% of race

Time at Steady Pace

1:40:31

36% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:32 /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 mi11:48:2831:2810:0831:28
10:08
#23765
10K
6.21 mi12:19:321:02:3210:0431:04
10:00
#23762
15K
9.32 mi12:49:541:32:549:5830:22
9:46
#23536
20K
12.43 mi13:23:022:06:0210:0833:08
10:40
#23723
Half
13.11 mi13:29:422:12:4210:076:40
9:46
#23673
25K
15.53 mi13:54:392:37:3910:0924:57
10:17
#23508
30K
18.64 mi14:30:183:13:1810:2235:39
11:28
#23562
20M
20.00 mi14:45:293:28:2910:2515:11
11:10
#23520
21M
21.00 mi14:56:583:39:5810:2811:29
11:29
#23442
35K
21.75 mi15:04:303:47:3010:287:32
10:04
#23376
23M
23.00 mi15:18:214:01:2110:3013:51
11:04
#23327
24M
24.00 mi15:29:154:12:1510:3110:54
10:54
#23313
40K
24.85 mi15:38:454:21:4510:329:30
11:07
#23288
25.2M
25.20 mi15:42:424:25:4210:333:57
11:27
#23256
Finish
26.22 mi15:53:034:36:0310:3210:21
10:09
#23207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi237659778977822993(Top 86%)9342(Top 82%)9342(Top 191%)
10K6.21 mi3.10 mi23762+39764+149764+1423683(Top 89%)9721(Top 85%)9721(Top 199%)
15K9.32 mi3.11 mi23536+2269630+1349630+13422993(Top 86%)9342(Top 82%)9342(Top 191%)
20K12.43 mi3.11 mi23723-1879731-1019731-10124125(Top 91%)9981(Top 87%)9981(Top 204%)
Half13.11 mi0.68 mi23673+509707+249707+2422821(Top 86%)9258(Top 81%)9258(Top 190%)
25K15.53 mi2.42 mi23508+1659625+829625+8222822(Top 86%)9284(Top 81%)9284(Top 190%)
30K18.64 mi3.11 mi23562-549676-519676-5123826(Top 89%)9915(Top 87%)9915(Top 203%)
20M20.00 mi1.36 mi23520+429670+69670+622984(Top 86%)9504(Top 83%)9504(Top 195%)
21M21.00 mi1.00 mi23442+789635+359635+3521864(Top 82%)8925(Top 78%)8925(Top 183%)
35K21.75 mi0.75 mi23376+669608+279608+2721512(Top 81%)8778(Top 77%)8778(Top 180%)
23M23.00 mi1.25 mi23327+499593+159593+1522461(Top 84%)9303(Top 81%)9303(Top 190%)
24M24.00 mi1.00 mi23313+149588+59588+522860(Top 86%)9557(Top 84%)9557(Top 196%)
40K24.85 mi0.85 mi23288+259585+39585+322593(Top 85%)9448(Top 83%)9448(Top 193%)
25.2M25.20 mi0.35 mi23256+329575+109575+1021506(Top 81%)8872(Top 78%)8872(Top 182%)
Finish26.22 mi1.02 mi23207+499558+179558+1722194(Top 83%)9228(Top 81%)9228(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22993

Females

9342

F18-39

9342

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23683

Females

9721

F18-39

9721

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22993

Females

9342

F18-39

9342

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24125

Females

9981

F18-39

9981

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22821

Females

9258

F18-39

9258

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22822

Females

9284

F18-39

9284

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23826

Females

9915

F18-39

9915

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22984

Females

9504

F18-39

9504

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21864

Females

8925

F18-39

8925

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21512

Females

8778

F18-39

8778

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22461

Females

9303

F18-39

9303

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22860

Females

9557

F18-39

9557

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22593

Females

9448

F18-39

9448

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21506

Females

8872

F18-39

8872

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22194

Females

9228

F18-39

9228

Passing Analysis

Category:
Athletes Passed
1332
Passed By
774
Net Change
+558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23765
5K → 10K209206+3#23765#23762
10K → 15K25731+226#23762#23536
15K → 20K66253-187#23536#23723
20K → Half511+50#23723#23673
Half → 25K19025+165#23673#23508
25K → 30K79133-54#23508#23562
30K → 20M6725+42#23562#23520
20M → 21M879+78#23520#23442
21M → 35K715+66#23442#23376
35K → 23M7021+49#23376#23327
23M → 24M4127+14#23327#23313
24M → 40K4823+25#23313#23288
40K → 25.2M386+32#23288#23256
25.2M → Finish589+49#23256#23207
TOTALS1332774+558
📊

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