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BOSTON MARATHON 2024

Kristen Johns

Bib: 18234•F

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0:00
0:00
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 42%
Division (F18-39)
#0 / 4660
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
8:25/mi
26:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:00
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:19:42
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:46:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:52:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:13:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:59/mi
2:41:36
↑ 181↓ 1480.2%
20M
8:37/mi
2:53:18
↑ 64↓ 500.2%
21M
9:19/mi
3:02:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
3:09:14
↑ 17↓ 861.7%
23M
8:42/mi
3:20:08
↑ 23↓ 630.6%
24M
8:30/mi
3:28:38
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:35:53
↓ 200.3%
25.2M
9:23/mi
3:39:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:56/mi
3:47:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:27
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:54:45
Pace8:45 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2326:088:2526:08
8:25
-
10K
6.21 mi11:44:1553:008:3226:52
8:39
+0:14
15K
9.32 mi12:10:571:19:428:3326:42
8:36
-0:03
20K
12.43 mi12:38:011:46:468:3527:04
8:43
+0:07
Half
13.11 mi12:43:421:52:278:355:41
8:20
-0:23
25K
15.53 mi13:04:552:13:408:3621:13
8:45
+0:25
30K
18.64 mi13:32:512:41:368:4027:56
8:59
+0:14
20M
20.00 mi13:44:332:53:188:4011:42
8:37
-0:22
21M
21.00 mi13:53:523:02:378:429:19
9:19
+0:42
35K
21.75 mi14:00:293:09:148:426:37
8:51
-0:28
23M
23.00 mi14:11:233:20:088:4210:54
8:42
-0:09
24M
24.00 mi14:19:533:28:388:428:30
8:30
-0:12
40K
24.85 mi14:27:083:35:538:417:15
8:29
-0:01
25.2M
25.20 mi14:30:223:39:078:423:14
9:23
+0:54
Finish
26.22 mi14:38:273:47:128:408:05
7:56
-1:27

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

7:56 /mi

Average Pace

8:40 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:53

70% of race

Time at Steady Pace

1:05:05

29% of race

Time at Slower Pace

3:14

1% of race

Average Pace: 8:40 /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 mi11:17:2326:088:2526:08
8:25
#17282
10K
6.21 mi11:44:1553:008:3226:52
8:39
#17686
15K
9.32 mi12:10:571:19:428:3326:42
8:36
#17414
20K
12.43 mi12:38:011:46:468:3527:04
8:43
#16933
Half
13.11 mi12:43:421:52:278:355:41
8:20
#16823
25K
15.53 mi13:04:552:13:408:3621:13
8:45
#16313
30K
18.64 mi13:32:512:41:368:4027:56
8:59
#15720
20M
20.00 mi13:44:332:53:188:4011:42
8:37
#15318
21M
21.00 mi13:53:523:02:378:429:19
9:19
#15004
35K
21.75 mi14:00:293:09:148:426:37
8:51
#14890
23M
23.00 mi14:11:233:20:088:4210:54
8:42
#14558
24M
24.00 mi14:19:533:28:388:428:30
8:30
#14288
40K
24.85 mi14:27:083:35:538:417:15
8:29
#14035
25.2M
25.20 mi14:30:223:39:078:423:14
9:23
#13916
Finish
26.22 mi14:38:273:47:128:408:05
7:56
#13635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi172826323632316922(Top 66%)6098(Top 56%)6098(Top 131%)
10K6.21 mi3.10 mi17686-4046551-2286551-22818103(Top 71%)6783(Top 62%)6783(Top 146%)
15K9.32 mi3.11 mi17414+2726383+1686383+16816922(Top 66%)6098(Top 56%)6098(Top 131%)
20K12.43 mi3.11 mi16933+4816124+2596124+25915909(Top 62%)5531(Top 51%)5531(Top 119%)
Half13.11 mi0.68 mi16823+1106065+596065+5914810(Top 58%)4923(Top 45%)4923(Top 106%)
25K15.53 mi2.42 mi16313+5105789+2765789+27614335(Top 56%)4794(Top 44%)4794(Top 103%)
30K18.64 mi3.11 mi15720+5935502+2875502+28713194(Top 52%)4389(Top 40%)4389(Top 94%)
20M20.00 mi1.36 mi15318+4025314+1885314+18810073(Top 39%)3000(Top 27%)3000(Top 64%)
21M21.00 mi1.00 mi15004+3145179+1355179+13510058(Top 39%)3267(Top 30%)3267(Top 70%)
35K21.75 mi0.75 mi14890+1145142+375142+3712587(Top 49%)4581(Top 42%)4581(Top 98%)
23M23.00 mi1.25 mi14558+3325020+1225020+1229619(Top 38%)3203(Top 29%)3203(Top 69%)
24M24.00 mi1.00 mi14288+2704892+1284892+1289497(Top 37%)3200(Top 29%)3200(Top 69%)
40K24.85 mi0.85 mi14035+2534788+1044788+1048282(Top 32%)2727(Top 25%)2727(Top 59%)
25.2M25.20 mi0.35 mi13916+1194744+444744+448312(Top 33%)2825(Top 26%)2825(Top 61%)
Finish26.22 mi1.02 mi13635+2814619+1254619+1258175(Top 32%)2681(Top 25%)2681(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

16922

Females

6098

F18-39

6098

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18103

Females

6783

F18-39

6783

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

16922

Females

6098

F18-39

6098

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

15909

Females

5531

F18-39

5531

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

14810

Females

4923

F18-39

4923

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14335

Females

4794

F18-39

4794

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13194

Females

4389

F18-39

4389

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10073

Females

3000

F18-39

3000

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10058

Females

3267

F18-39

3267

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12587

Females

4581

F18-39

4581

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9619

Females

3203

F18-39

3203

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9497

Females

3200

F18-39

3200

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8282

Females

2727

F18-39

2727

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8312

Females

2825

F18-39

2825

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8175

Females

2681

F18-39

2681

Passing Analysis

Category:
Athletes Passed
4449
Passed By
802
Net Change
+3647
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17282
5K → 10K154558-404#17282#17686
10K → 15K379107+272#17686#17414
15K → 20K53150+481#17414#16933
20K → Half1122+110#16933#16823
Half → 25K52414+510#16823#16313
25K → 30K61724+593#16313#15720
30K → 20M4031+402#15720#15318
20M → 21M32410+314#15318#15004
21M → 35K12915+114#15004#14890
35K → 23M3408+332#14890#14558
23M → 24M2744+270#14558#14288
24M → 40K2541+253#14288#14035
40K → 25.2M1201+119#14035#13916
25.2M → Finish2887+281#13916#13635
TOTALS4449802+3647
📊

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