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BOSTON MARATHON 2024

Joanna Krol

Bib: 12534•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 28%
Gender (Female)
#0 / 10924
Top 12%
Division (F18-39)
#0 / 4660
Top 23%
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
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
45:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:08:43
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:37:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:56:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:21:20
↑ 181↓ 1480.2%
20M
8:00/mi
2:32:12
↑ 64↓ 500.2%
21M
8:32/mi
2:40:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:46:30
↑ 17↓ 861.7%
23M
7:46/mi
2:56:14
↑ 23↓ 630.6%
24M
7:45/mi
3:03:59
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:10:26
↓ 200.3%
25.2M
8:27/mi
3:13:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:20:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:20
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:43:29
Pace7:54 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1022:377:1722:37
7:17
-
10K
6.21 mi11:14:0045:277:1922:50
7:21
+0:04
15K
9.32 mi11:37:161:08:437:2223:16
7:29
+0:08
20K
12.43 mi12:00:451:32:127:2523:29
7:34
+0:05
Half
13.11 mi12:05:531:37:207:255:08
7:31
-0:03
25K
15.53 mi12:24:411:56:087:2918:48
7:45
+0:14
30K
18.64 mi12:49:532:21:207:3525:12
8:07
+0:22
20M
20.00 mi13:00:452:32:127:3710:52
8:00
-0:07
21M
21.00 mi13:09:172:40:447:398:32
8:32
+0:32
35K
21.75 mi13:15:032:46:307:395:46
7:42
-0:50
23M
23.00 mi13:24:472:56:147:409:44
7:46
+0:04
24M
24.00 mi13:32:323:03:597:407:45
7:45
-0:01
40K
24.85 mi13:38:593:10:267:406:27
7:33
-0:12
25.2M
25.20 mi13:41:543:13:217:402:55
8:27
+0:54
Finish
26.22 mi13:49:223:20:497:407:28
7:20
-1:07

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

7:17 /mi

Average Pace

7:40 /mi

Slowest Pace

8:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:10

82% of race

Time at Steady Pace

36:39

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:51:1022:377:1722:37
7:17
#9029
10K
6.21 mi11:14:0045:277:1922:50
7:21
#9014
15K
9.32 mi11:37:161:08:437:2223:16
7:29
#9143
20K
12.43 mi12:00:451:32:127:2523:29
7:34
#9003
Half
13.11 mi12:05:531:37:207:255:08
7:31
#9013
25K
15.53 mi12:24:411:56:087:2918:48
7:45
#8905
30K
18.64 mi12:49:532:21:207:3525:12
8:07
#8730
20M
20.00 mi13:00:452:32:127:3710:52
8:00
#8496
21M
21.00 mi13:09:172:40:447:398:32
8:32
#8279
35K
21.75 mi13:15:032:46:307:395:46
7:42
#8136
23M
23.00 mi13:24:472:56:147:409:44
7:46
#7800
24M
24.00 mi13:32:323:03:597:407:45
7:45
#7596
40K
24.85 mi13:38:593:10:267:406:27
7:33
#7360
25.2M
25.20 mi13:41:543:13:217:402:55
8:27
#7250
Finish
26.22 mi13:49:223:20:497:407:28
7:20
#7092
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9029159015909606(Top 38%)1975(Top 18%)1975(Top 42%)
10K6.21 mi3.10 mi9014+151628-381628-389059(Top 35%)1671(Top 15%)1671(Top 36%)
15K9.32 mi3.11 mi9143-1291688-601688-609606(Top 38%)1975(Top 18%)1975(Top 42%)
20K12.43 mi3.11 mi9003+1401667+211667+218806(Top 34%)1728(Top 16%)1728(Top 37%)
Half13.11 mi0.68 mi9013-101682-151682-159320(Top 36%)1952(Top 18%)1952(Top 42%)
25K15.53 mi2.42 mi8905+1081672+101672+108654(Top 34%)1843(Top 17%)1843(Top 40%)
30K18.64 mi3.11 mi8730+1751682-101682-108512(Top 33%)1983(Top 18%)1983(Top 43%)
20M20.00 mi1.36 mi8496+2341649+331649+336755(Top 26%)1445(Top 13%)1445(Top 31%)
21M21.00 mi1.00 mi8279+2171611+381611+386389(Top 25%)1467(Top 13%)1467(Top 31%)
35K21.75 mi0.75 mi8136+1431579+321579+326150(Top 24%)1365(Top 12%)1365(Top 29%)
23M23.00 mi1.25 mi7800+3361494+851494+854714(Top 18%)896(Top 8%)896(Top 19%)
24M24.00 mi1.00 mi7596+2041450+441450+445306(Top 21%)1211(Top 11%)1211(Top 26%)
40K24.85 mi0.85 mi7360+2361398+521398+523703(Top 14%)678(Top 6%)678(Top 15%)
25.2M25.20 mi0.35 mi7250+1101372+261372+264338(Top 17%)966(Top 9%)966(Top 21%)
Finish26.22 mi1.02 mi7092+1581348+241348+244692(Top 18%)1049(Top 10%)1049(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

9606

Females

1975

F18-39

1975

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9059

Females

1671

F18-39

1671

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

9606

Females

1975

F18-39

1975

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8806

Females

1728

F18-39

1728

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9320

Females

1952

F18-39

1952

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8654

Females

1843

F18-39

1843

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8512

Females

1983

F18-39

1983

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6755

Females

1445

F18-39

1445

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6389

Females

1467

F18-39

1467

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6150

Females

1365

F18-39

1365

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4714

Females

896

F18-39

896

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5306

Females

1211

F18-39

1211

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3703

Females

678

F18-39

678

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4338

Females

966

F18-39

966

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4692

Females

1049

F18-39

1049

Passing Analysis

Category:
Athletes Passed
3003
Passed By
1066
Net Change
+1937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9029
5K → 10K247232+15#9029#9014
10K → 15K136265-129#9014#9143
15K → 20K261121+140#9143#9003
20K → Half2939-10#9003#9013
Half → 25K241133+108#9013#8905
25K → 30K351176+175#8905#8730
30K → 20M27238+234#8730#8496
20M → 21M24831+217#8496#8279
21M → 35K1529+143#8279#8136
35K → 23M3393+336#8136#7800
23M → 24M2106+204#7800#7596
24M → 40K2371+236#7596#7360
40K → 25.2M1122+110#7360#7250
25.2M → Finish16810+158#7250#7092
TOTALS30031066+1937
📊

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