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BOSTON MARATHON 2023

Britt Haxton

Bib: 24629•F

DC

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
27:56
Rank: #20412
Start → 5K
27:56 | 8:59/mi
10K· 6.21 mi
57:00
Rank: #21323 (-911)
5K → 10K
29:04 | 9:21/mi
15K· 9.32 mi
1:26:57
Rank: #21772 (-449)
10K → 15K
29:57 | 9:38/mi
20K· 12.43 mi
1:57:01
Rank: #21850 (-78)
15K → 20K
30:04 | 9:41/mi
Half· 13.11 mi
2:03:30
Rank: #21861 (-11)
20K → Half
6:29 | 9:30/mi
25K· 15.53 mi
2:26:58
Rank: #21767 (+94)
Half → 25K
23:28 | 9:41/mi
30K· 18.64 mi
2:59:31
Rank: #21856 (-89)
25K → 30K
32:33 | 10:29/mi
20M
3:13:01
Rank: #21732 (+124)
30K → 20M
13:30 | 9:56/mi
21M
3:23:34
Rank: #21632 (+100)
20M → 21M
10:33 | 10:33/mi
35K· 21.75 mi
3:30:47
Rank: #21578 (+54)
21M → 35K
7:13 | 9:39/mi
23M
3:42:53
Rank: #21421 (+157)
35K → 23M
12:06 | 9:40/mi
24M
3:52:20
Rank: #21308 (+113)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
4:00:36
Rank: #21215 (+93)
24M → 40K
8:16 | 9:40/mi
25.2M
4:04:10
Rank: #21175 (+40)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
4:13:32
Rank: #21099 (+76)
25.2M → Finish
9:22 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:30
Pace9:25 /mi
2nd Half
Distance13.11 mi
Time2:10:02
Pace9:55 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2027:568:5927:56
8:59
-
10K
6.21 mi12:20:2457:009:1029:04
9:21
+0:22
15K
9.32 mi12:50:211:26:579:2029:57
9:38
+0:17
20K
12.43 mi13:20:251:57:019:2530:04
9:41
+0:03
Half
13.11 mi13:26:542:03:309:256:29
9:30
-0:11
25K
15.53 mi13:50:222:26:589:2823:28
9:41
+0:11
30K
18.64 mi14:22:552:59:319:3832:33
10:29
+0:48
20M
20.00 mi14:36:253:13:019:3913:30
9:56
-0:33
21M
21.00 mi14:46:583:23:349:4210:33
10:33
+0:37
35K
21.75 mi14:54:113:30:479:427:13
9:39
-0:54
23M
23.00 mi15:06:173:42:539:4112:06
9:40
+0:01
24M
24.00 mi15:15:443:52:209:419:27
9:27
-0:13
40K
24.85 mi15:24:004:00:369:418:16
9:40
+0:13
25.2M
25.20 mi15:27:344:04:109:413:34
10:21
+0:41
Finish
26.22 mi15:36:564:13:329:419:22
9:11
-1:10

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

8:59 /mi

Average Pace

9:41 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:22

76% of race

Time at Steady Pace

1:00:10

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:40 /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 mi11:51:2027:568:5927:56
8:59
#20412
10K
6.21 mi12:20:2457:009:1029:04
9:21
#21323
15K
9.32 mi12:50:211:26:579:2029:57
9:38
#21772
20K
12.43 mi13:20:251:57:019:2530:04
9:41
#21850
Half
13.11 mi13:26:542:03:309:256:29
9:30
#21861
25K
15.53 mi13:50:222:26:589:2823:28
9:41
#21767
30K
18.64 mi14:22:552:59:319:3832:33
10:29
#21856
20M
20.00 mi14:36:253:13:019:3913:30
9:56
#21732
21M
21.00 mi14:46:583:23:349:4210:33
10:33
#21632
35K
21.75 mi14:54:113:30:479:427:13
9:39
#21578
23M
23.00 mi15:06:173:42:539:4112:06
9:40
#21421
24M
24.00 mi15:15:443:52:209:419:27
9:27
#21308
40K
24.85 mi15:24:004:00:369:418:16
9:40
#21215
25.2M
25.20 mi15:27:344:04:109:413:34
10:21
#21175
Finish
26.22 mi15:36:564:13:329:419:22
9:11
#21099
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi204128062806222631(Top 85%)9144(Top 80%)9144(Top 187%)
10K6.21 mi3.10 mi21323-9118489-4278489-42722090(Top 83%)8866(Top 78%)8866(Top 182%)
15K9.32 mi3.11 mi21772-4498712-2238712-22322631(Top 85%)9144(Top 80%)9144(Top 187%)
20K12.43 mi3.11 mi21850-788740-288740-2822086(Top 83%)8852(Top 77%)8852(Top 181%)
Half13.11 mi0.68 mi21861-118751-118751-1122118(Top 83%)8842(Top 77%)8842(Top 181%)
25K15.53 mi2.42 mi21767+948692+598692+5921392(Top 80%)8494(Top 74%)8494(Top 174%)
30K18.64 mi3.11 mi21856-898750-588750-5822159(Top 83%)8985(Top 79%)8985(Top 184%)
20M20.00 mi1.36 mi21732+1248695+558695+5520306(Top 76%)8030(Top 70%)8030(Top 164%)
21M21.00 mi1.00 mi21632+1008649+468649+4619762(Top 74%)7803(Top 68%)7803(Top 160%)
35K21.75 mi0.75 mi21578+548626+238626+2320323(Top 76%)8123(Top 71%)8123(Top 166%)
23M23.00 mi1.25 mi21421+1578557+698557+6918977(Top 71%)7399(Top 65%)7399(Top 151%)
24M24.00 mi1.00 mi21308+1138513+448513+4419073(Top 72%)7493(Top 66%)7493(Top 153%)
40K24.85 mi0.85 mi21215+938469+448469+4418948(Top 71%)7471(Top 65%)7471(Top 153%)
25.2M25.20 mi0.35 mi21175+408452+178452+1718670(Top 70%)7332(Top 64%)7332(Top 150%)
Finish26.22 mi1.02 mi21099+768426+268426+2618909(Top 71%)7402(Top 65%)7402(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22631

Females

9144

F18-39

9144

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22090

Females

8866

F18-39

8866

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22631

Females

9144

F18-39

9144

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22086

Females

8852

F18-39

8852

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22118

Females

8842

F18-39

8842

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

21392

Females

8494

F18-39

8494

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22159

Females

8985

F18-39

8985

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

20306

Females

8030

F18-39

8030

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19762

Females

7803

F18-39

7803

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20323

Females

8123

F18-39

8123

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18977

Females

7399

F18-39

7399

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19073

Females

7493

F18-39

7493

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18948

Females

7471

F18-39

7471

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18670

Females

7332

F18-39

7332

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18909

Females

7402

F18-39

7402

Passing Analysis

Category:
Athletes Passed
1304
Passed By
1991
Net Change
-687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20412
5K → 10K52963-911#20412#21323
10K → 15K40489-449#21323#21772
15K → 20K101179-78#21772#21850
20K → Half2031-11#21850#21861
Half → 25K14349+94#21861#21767
25K → 30K120209-89#21767#21856
30K → 20M13814+124#21856#21732
20M → 21M11515+100#21732#21632
21M → 35K6511+54#21632#21578
35K → 23M1603+157#21578#21421
23M → 24M1196+113#21421#21308
24M → 40K1029+93#21308#21215
40K → 25.2M411+40#21215#21175
25.2M → Finish8812+76#21175#21099
TOTALS13041991-687
📊

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