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BOSTON MARATHON 2024

Lena Josifi

Bib: 12190•F

IL

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Division (F18-39)
#0 / 4660
Top 37%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:11/mi
22:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:06:51
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:29:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:34:47
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:53:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:20:04
↑ 181↓ 1480.2%
20M
9:13/mi
2:32:35
↑ 64↓ 500.2%
21M
10:29/mi
2:43:04
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
2:49:52
↑ 17↓ 861.7%
23M
9:30/mi
3:01:46
↑ 23↓ 630.6%
24M
8:39/mi
3:10:25
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:18:11
↓ 200.3%
25.2M
9:17/mi
3:21:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:29:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:47
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:54:39
Pace8:45 /mi
📊Positive Split: 21.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4522:187:1122:18
7:11
-
10K
6.21 mi11:12:5944:327:1022:14
7:09
-0:02
15K
9.32 mi11:35:181:06:517:1022:19
7:11
+0:02
20K
12.43 mi11:58:161:29:497:1422:58
7:24
+0:13
Half
13.11 mi12:03:141:34:477:144:58
7:17
-0:07
25K
15.53 mi12:21:321:53:057:1718:18
7:33
+0:16
30K
18.64 mi12:48:312:20:047:3126:59
8:41
+1:08
20M
20.00 mi13:01:022:32:357:3812:31
9:13
+0:32
21M
21.00 mi13:11:312:43:047:4610:29
10:29
+1:16
35K
21.75 mi13:18:192:49:527:496:48
9:05
-1:24
23M
23.00 mi13:30:133:01:467:5411:54
9:30
+0:25
24M
24.00 mi13:38:523:10:257:568:39
8:39
-0:51
40K
24.85 mi13:46:383:18:117:587:46
9:05
+0:26
25.2M
25.20 mi13:49:503:21:237:593:12
9:17
+0:12
Finish
26.22 mi13:57:533:29:268:008:03
7:54
-1:23

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

7:09 /mi

Average Pace

8:00 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:08

58% of race

Time at Steady Pace

50:12

24% of race

Time at Slower Pace

38:06

18% of race

Average Pace: 7:59 /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 mi10:50:4522:187:1122:18
7:11
#8268
10K
6.21 mi11:12:5944:327:1022:14
7:09
#7899
15K
9.32 mi11:35:181:06:517:1022:19
7:11
#7698
20K
12.43 mi11:58:161:29:497:1422:58
7:24
#7614
Half
13.11 mi12:03:141:34:477:144:58
7:17
#7597
25K
15.53 mi12:21:321:53:057:1718:18
7:33
#7465
30K
18.64 mi12:48:312:20:047:3126:59
8:41
#8244
20M
20.00 mi13:01:022:32:357:3812:31
9:13
#8618
21M
21.00 mi13:11:312:43:047:4610:29
10:29
#9006
35K
21.75 mi13:18:192:49:527:496:48
9:05
#9166
23M
23.00 mi13:30:133:01:467:5411:54
9:30
#9427
24M
24.00 mi13:38:523:10:257:568:39
8:39
#9448
40K
24.85 mi13:46:383:18:117:587:46
9:05
#9526
25.2M
25.20 mi13:49:503:21:237:593:12
9:17
#9478
Finish
26.22 mi13:57:533:29:268:008:03
7:54
#9408
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8268128612867378(Top 29%)1041(Top 10%)1041(Top 22%)
10K6.21 mi3.10 mi7899+3691158+1281158+1287657(Top 30%)1094(Top 10%)1094(Top 23%)
15K9.32 mi3.11 mi7698+2011104+541104+547378(Top 29%)1041(Top 10%)1041(Top 22%)
20K12.43 mi3.11 mi7614+841099+51099+57600(Top 30%)1222(Top 11%)1222(Top 26%)
Half13.11 mi0.68 mi7597+17109910997581(Top 30%)1227(Top 11%)1227(Top 26%)
25K15.53 mi2.42 mi7465+1321093+61093+67304(Top 29%)1288(Top 12%)1288(Top 28%)
30K18.64 mi3.11 mi8244-7791493-4001493-40011606(Top 45%)3516(Top 32%)3516(Top 75%)
20M20.00 mi1.36 mi8618-3741697-2041697-20413193(Top 52%)4671(Top 43%)4671(Top 100%)
21M21.00 mi1.00 mi9006-3881948-2511948-25114772(Top 58%)5708(Top 52%)5708(Top 122%)
35K21.75 mi0.75 mi9166-1602051-1032051-10313757(Top 54%)5186(Top 47%)5186(Top 111%)
23M23.00 mi1.25 mi9427-2612249-1982249-19813540(Top 53%)5171(Top 47%)5171(Top 111%)
24M24.00 mi1.00 mi9448-212304-552304-5510309(Top 40%)3595(Top 33%)3595(Top 77%)
40K24.85 mi0.85 mi9526-782387-832387-8311269(Top 44%)4173(Top 38%)4173(Top 90%)
25.2M25.20 mi0.35 mi9478+482378+92378+97853(Top 31%)2591(Top 24%)2591(Top 56%)
Finish26.22 mi1.02 mi9408+702380-22380-27948(Top 31%)2548(Top 23%)2548(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7378

Females

1041

F18-39

1041

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7657

Females

1094

F18-39

1094

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7378

Females

1041

F18-39

1041

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7600

Females

1222

F18-39

1222

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7581

Females

1227

F18-39

1227

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7304

Females

1288

F18-39

1288

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11606

Females

3516

F18-39

3516

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13193

Females

4671

F18-39

4671

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

14772

Females

5708

F18-39

5708

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

13757

Females

5186

F18-39

5186

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

13540

Females

5171

F18-39

5171

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10309

Females

3595

F18-39

3595

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11269

Females

4173

F18-39

4173

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7853

Females

2591

F18-39

2591

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

7948

Females

2548

F18-39

2548

Passing Analysis

Category:
Athletes Passed
1844
Passed By
2984
Net Change
-1140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8268
5K → 10K44374+369#8268#7899
10K → 15K26968+201#7899#7698
15K → 20K224140+84#7698#7614
20K → Half3922+17#7614#7597
Half → 25K232100+132#7597#7465
25K → 30K83862-779#7465#8244
30K → 20M48422-374#8244#8618
20M → 21M36424-388#8618#9006
21M → 35K38198-160#9006#9166
35K → 23M91352-261#9166#9427
23M → 24M94115-21#9427#9448
24M → 40K63141-78#9448#9526
40K → 25.2M6618+48#9526#9478
25.2M → Finish11848+70#9478#9408
TOTALS18442984-1140
📊

Passing Visuals

Category:
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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