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BOSTON MARATHON 2024

Kristen Blair

Bib: 14856•F

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Overall
#0 / 25550
Top 28%
Gender (Female)
#0 / 10924
Top 12%
Division (F18-39)
#0 / 4660
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:18
Rank: #13263
Start → 5K
24:18 | 7:49/mi
10K· 6.21 mi
47:41
Rank: #11860 (+1403)
5K → 10K
23:23 | 7:32/mi
15K· 9.32 mi
1:10:56
Rank: #11046 (+814)
10K → 15K
23:15 | 7:29/mi
20K· 12.43 mi
1:34:26
Rank: #10384 (+662)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:39:29
Rank: #10273 (+111)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:57:46
Rank: #9659 (+614)
Half → 25K
18:17 | 7:32/mi
30K· 18.64 mi
2:21:48
Rank: #8917 (+742)
25K → 30K
24:02 | 7:44/mi
20M
2:32:27
Rank: #8583 (+334)
30K → 20M
10:39 | 7:50/mi
21M
2:40:29
Rank: #8197 (+386)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:46:02
Rank: #8007 (+190)
21M → 35K
5:33 | 7:25/mi
23M
2:55:25
Rank: #7553 (+454)
35K → 23M
9:23 | 7:30/mi
24M
3:02:43
Rank: #7265 (+288)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
3:09:17
Rank: #7072 (+193)
24M → 40K
6:34 | 7:41/mi
25.2M
3:12:31
Rank: #7057 (+15)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:20:37
Rank: #7050 (+7)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4724:187:4924:18
7:49
-
10K
6.21 mi11:19:1047:417:4023:23
7:32
-0:17
15K
9.32 mi11:42:251:10:567:3723:15
7:29
-0:03
20K
12.43 mi12:05:551:34:267:3623:30
7:34
+0:05
Half
13.11 mi12:10:581:39:297:355:03
7:24
-0:10
25K
15.53 mi12:29:151:57:467:3518:17
7:32
+0:08
30K
18.64 mi12:53:172:21:487:3624:02
7:44
+0:12
20M
20.00 mi13:03:562:32:277:3710:39
7:50
+0:06
21M
21.00 mi13:11:582:40:297:398:02
8:02
+0:12
35K
21.75 mi13:17:312:46:027:385:33
7:25
-0:37
23M
23.00 mi13:26:542:55:257:389:23
7:30
+0:05
24M
24.00 mi13:34:123:02:437:377:18
7:18
-0:12
40K
24.85 mi13:40:463:09:177:376:34
7:41
+0:23
25.2M
25.20 mi13:44:003:12:317:383:14
9:23
+1:42
Finish
26.22 mi13:52:063:20:377:398:06
7:57
-1:26

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

7:18 /mi

Average Pace

7:39 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:18

4% of race

Time at Steady Pace

2:19:00

69% of race

Time at Slower Pace

54:19

27% of race

Average Pace: 7:39 /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 mi10:55:4724:187:4924:18
7:49
#13263
10K
6.21 mi11:19:1047:417:4023:23
7:32
#11860
15K
9.32 mi11:42:251:10:567:3723:15
7:29
#11046
20K
12.43 mi12:05:551:34:267:3623:30
7:34
#10384
Half
13.11 mi12:10:581:39:297:355:03
7:24
#10273
25K
15.53 mi12:29:151:57:467:3518:17
7:32
#9659
30K
18.64 mi12:53:172:21:487:3624:02
7:44
#8917
20M
20.00 mi13:03:562:32:277:3710:39
7:50
#8583
21M
21.00 mi13:11:582:40:297:398:02
8:02
#8197
35K
21.75 mi13:17:312:46:027:385:33
7:25
#8007
23M
23.00 mi13:26:542:55:257:389:23
7:30
#7553
24M
24.00 mi13:34:123:02:437:377:18
7:18
#7265
40K
24.85 mi13:40:463:09:177:376:34
7:41
#7072
25.2M
25.20 mi13:44:003:12:317:383:14
9:23
#7057
Finish
26.22 mi13:52:063:20:377:398:06
7:57
#7050
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi13263386738679550(Top 37%)1946(Top 18%)1946(Top 42%)
10K6.21 mi3.10 mi11860+14033091+7763091+77610492(Top 41%)2348(Top 21%)2348(Top 50%)
15K9.32 mi3.11 mi11046+8142663+4282663+4289550(Top 37%)1946(Top 18%)1946(Top 42%)
20K12.43 mi3.11 mi10384+6622352+3112352+3118854(Top 35%)1746(Top 16%)1746(Top 37%)
Half13.11 mi0.68 mi10273+1112305+472305+478454(Top 33%)1555(Top 14%)1555(Top 33%)
25K15.53 mi2.42 mi9659+6142041+2642041+2647253(Top 28%)1266(Top 12%)1266(Top 27%)
30K18.64 mi3.11 mi8917+7421776+2651776+2656345(Top 25%)1101(Top 10%)1101(Top 24%)
20M20.00 mi1.36 mi8583+3341680+961680+965910(Top 23%)1097(Top 10%)1097(Top 24%)
21M21.00 mi1.00 mi8197+3861575+1051575+1054329(Top 17%)662(Top 6%)662(Top 14%)
35K21.75 mi0.75 mi8007+1901519+561519+564741(Top 19%)789(Top 7%)789(Top 17%)
23M23.00 mi1.25 mi7553+4541380+1391380+1393619(Top 14%)492(Top 5%)492(Top 11%)
24M24.00 mi1.00 mi7265+2881305+751305+753390(Top 13%)492(Top 5%)492(Top 11%)
40K24.85 mi0.85 mi7072+1931273+321273+324288(Top 17%)904(Top 8%)904(Top 19%)
25.2M25.20 mi0.35 mi7057+151289-161289-168244(Top 32%)2757(Top 25%)2757(Top 59%)
Finish26.22 mi1.02 mi7050+71326-371326-378232(Top 32%)2688(Top 25%)2688(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9550

Females

1946

F18-39

1946

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10492

Females

2348

F18-39

2348

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9550

Females

1946

F18-39

1946

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

8854

Females

1746

F18-39

1746

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8454

Females

1555

F18-39

1555

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7253

Females

1266

F18-39

1266

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6345

Females

1101

F18-39

1101

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

5910

Females

1097

F18-39

1097

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4329

Females

662

F18-39

662

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4741

Females

789

F18-39

789

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3619

Females

492

F18-39

492

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3390

Females

492

F18-39

492

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4288

Females

904

F18-39

904

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8244

Females

2757

F18-39

2757

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8232

Females

2688

F18-39

2688

Passing Analysis

Category:
Athletes Passed
6384*
Passed By
171
Net Change
+6213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13263
5K → 10K141714+1403#13263#11860
10K → 15K8239+814#11860#11046
15K → 20K6708+662#11046#10384
20K → Half1165+111#10384#10273
Half → 25K616*2+614#10273#9659
25K → 30K75412+742#9659#8917
30K → 20M3406+334#8917#8583
20M → 21M3871+386#8583#8197
21M → 35K1922+190#8197#8007
35K → 23M4584+454#8007#7553
23M → 24M2880+288#7553#7265
24M → 40K2007+193#7265#7072
40K → 25.2M4530+15#7072#7057
25.2M → Finish7871+7#7057#7050
TOTALS6384*171+6213

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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