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BOSTON MARATHON 2024

Junia Larsen

Bib: 14580•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 34%
Gender (Female)
#0 / 10924
Top 19%
Masters (Masters Women)
#0 / 6263
Top 8%
Division (F45-49)
#0 / 1753
Top 9%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:16
Rank: #13173
Start → 5K
24:16 | 7:49/mi
10K· 6.21 mi
48:44
Rank: #13175 (-2)
5K → 10K
24:28 | 7:53/mi
15K· 9.32 mi
1:13:14
Rank: #12951 (+224)
10K → 15K
24:30 | 7:53/mi
20K· 12.43 mi
1:37:43
Rank: #12368 (+583)
15K → 20K
24:29 | 7:53/mi
Half· 13.11 mi
1:42:58
Rank: #12263 (+105)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:02:04
Rank: #11672 (+591)
Half → 25K
19:06 | 7:53/mi
30K· 18.64 mi
2:27:01
Rank: #10844 (+828)
25K → 30K
24:57 | 8:02/mi
20M
2:37:54
Rank: #10466 (+378)
30K → 20M
10:53 | 8:01/mi
21M
2:46:18
Rank: #10085 (+381)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:52:05
Rank: #9892 (+193)
21M → 35K
5:47 | 7:44/mi
23M
3:02:04
Rank: #9522 (+370)
35K → 23M
9:59 | 7:58/mi
24M
3:09:48
Rank: #9272 (+250)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:16:33
Rank: #9048 (+224)
24M → 40K
6:45 | 7:54/mi
25.2M
3:19:29
Rank: #8926 (+122)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:27:04
Rank: #8717 (+209)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:44:06
Pace7:56 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5924:167:4924:16
7:49
-
10K
6.21 mi11:20:2748:447:5124:28
7:53
+0:04
15K
9.32 mi11:44:571:13:147:5124:30
7:53
0:00
20K
12.43 mi12:09:261:37:437:5224:29
7:53
0:00
Half
13.11 mi12:14:411:42:587:515:15
7:42
-0:11
25K
15.53 mi12:33:472:02:047:5119:06
7:53
+0:11
30K
18.64 mi12:58:442:27:017:5324:57
8:02
+0:09
20M
20.00 mi13:09:372:37:547:5410:53
8:01
-0:01
21M
21.00 mi13:18:012:46:187:558:24
8:24
+0:23
35K
21.75 mi13:23:482:52:057:555:47
7:44
-0:40
23M
23.00 mi13:33:473:02:047:559:59
7:58
+0:14
24M
24.00 mi13:41:313:09:487:557:44
7:44
-0:14
40K
24.85 mi13:48:163:16:337:546:45
7:54
+0:10
25.2M
25.20 mi13:51:123:19:297:552:56
8:30
+0:36
Finish
26.22 mi13:58:473:27:047:547:35
7:26
-1:04

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

7:26 /mi

Average Pace

7:54 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:44

95% of race

Time at Steady Pace

11:20

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi10:55:5924:167:4924:16
7:49
#13173
10K
6.21 mi11:20:2748:447:5124:28
7:53
#13175
15K
9.32 mi11:44:571:13:147:5124:30
7:53
#12951
20K
12.43 mi12:09:261:37:437:5224:29
7:53
#12368
Half
13.11 mi12:14:411:42:587:515:15
7:42
#12263
25K
15.53 mi12:33:472:02:047:5119:06
7:53
#11672
30K
18.64 mi12:58:442:27:017:5324:57
8:02
#10844
20M
20.00 mi13:09:372:37:547:5410:53
8:01
#10466
21M
21.00 mi13:18:012:46:187:558:24
8:24
#10085
35K
21.75 mi13:23:482:52:057:555:47
7:44
#9892
23M
23.00 mi13:33:473:02:047:559:59
7:58
#9522
24M
24.00 mi13:41:313:09:487:557:44
7:44
#9272
40K
24.85 mi13:48:163:16:337:546:45
7:54
#9048
25.2M
25.20 mi13:51:123:19:297:552:56
8:30
#8926
Finish
26.22 mi13:58:473:27:047:547:35
7:26
#8717
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi131733817381712566(Top 49%)3548(Top 32%)3548(Top 202%)
10K6.21 mi3.10 mi13175-23825-83825-813241(Top 52%)3895(Top 36%)3895(Top 222%)
15K9.32 mi3.11 mi12951+2243726+993726+9912566(Top 49%)3548(Top 32%)3548(Top 202%)
20K12.43 mi3.11 mi12368+5833413+3133413+31310989(Top 43%)2804(Top 26%)2804(Top 160%)
Half13.11 mi0.68 mi12263+1053362+513362+5110588(Top 41%)2580(Top 24%)2580(Top 147%)
25K15.53 mi2.42 mi11672+5913079+2833079+2839417(Top 37%)2201(Top 20%)2201(Top 126%)
30K18.64 mi3.11 mi10844+8282744+3352744+3358054(Top 32%)1794(Top 16%)1794(Top 102%)
20M20.00 mi1.36 mi10466+3782611+1332611+1336855(Top 27%)1492(Top 14%)1492(Top 85%)
21M21.00 mi1.00 mi10085+3812475+1362475+1365804(Top 23%)1222(Top 11%)1222(Top 70%)
35K21.75 mi0.75 mi9892+1932415+602415+606274(Top 25%)1428(Top 13%)1428(Top 81%)
23M23.00 mi1.25 mi9522+3702293+1222293+1225640(Top 22%)1301(Top 12%)1301(Top 74%)
24M24.00 mi1.00 mi9272+2502216+772216+775239(Top 21%)1186(Top 11%)1186(Top 68%)
40K24.85 mi0.85 mi9048+2242153+632153+635299(Top 21%)1337(Top 12%)1337(Top 76%)
25.2M25.20 mi0.35 mi8926+1222114+392114+394562(Top 18%)1074(Top 10%)1074(Top 61%)
Finish26.22 mi1.02 mi8717+2092063+512063+515324(Top 21%)1337(Top 12%)1337(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12566

Females

3548

F45-49

3548

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13241

Females

3895

F45-49

3895

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12566

Females

3548

F45-49

3548

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

10989

Females

2804

F45-49

2804

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10588

Females

2580

F45-49

2580

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9417

Females

2201

F45-49

2201

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8054

Females

1794

F45-49

1794

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

6855

Females

1492

F45-49

1492

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

5804

Females

1222

F45-49

1222

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6274

Females

1428

F45-49

1428

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5640

Females

1301

F45-49

1301

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5239

Females

1186

F45-49

1186

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5299

Females

1337

F45-49

1337

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4562

Females

1074

F45-49

1074

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5324

Females

1337

F45-49

1337

Passing Analysis

Category:
Athletes Passed
4950*
Passed By
494
Net Change
+4456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13173
5K → 10K304306-2#13173#13175
10K → 15K327103+224#13175#12951
15K → 20K60522+583#12951#12368
20K → Half11510+105#12368#12263
Half → 25K5998+591#12263#11672
25K → 30K8379+828#11672#10844
30K → 20M3824+378#10844#10466
20M → 21M3854+381#10466#10085
21M → 35K198*5+193#10085#9892
35K → 23M377*7+370#9892#9522
23M → 24M255*5+250#9522#9272
24M → 40K2273+224#9272#9048
40K → 25.2M1220+122#9048#8926
25.2M → Finish2178+209#8926#8717
TOTALS4950*494+4456

* 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