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BOSTON MARATHON 2024

Irena Ambrozova

Bib: 10748•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 21%
Gender (Female)
#0 / 10924
Top 7%
Division (F18-39)
#0 / 4660
Top 13%
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
6:56/mi
21:33
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:00/mi
1:04:52
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:27:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:32:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:50:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:14:22
↑ 181↓ 1480.2%
20M
7:54/mi
2:25:06
↑ 64↓ 500.2%
21M
8:38/mi
2:33:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:39:23
↑ 17↓ 861.7%
23M
7:50/mi
2:49:12
↑ 23↓ 630.6%
24M
7:43/mi
2:56:55
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:03:23
↓ 200.3%
25.2M
8:27/mi
3:06:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:13:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:07
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:41:41
Pace7:45 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3521:336:5621:33
6:56
-
10K
6.21 mi11:10:0843:066:5621:33
6:56
0:00
15K
9.32 mi11:31:541:04:526:5821:46
7:00
+0:04
20K
12.43 mi11:54:191:27:177:0122:25
7:13
+0:13
Half
13.11 mi11:59:091:32:077:024:50
7:05
-0:08
25K
15.53 mi12:17:091:50:077:0518:00
7:25
+0:20
30K
18.64 mi12:41:242:14:227:1224:15
7:48
+0:23
20M
20.00 mi12:52:082:25:067:1510:44
7:54
+0:06
21M
21.00 mi13:00:462:33:447:198:38
8:38
+0:44
35K
21.75 mi13:06:252:39:237:205:39
7:33
-1:05
23M
23.00 mi13:16:142:49:127:219:49
7:50
+0:17
24M
24.00 mi13:23:572:56:557:227:43
7:43
-0:07
40K
24.85 mi13:30:253:03:237:236:28
7:34
-0:09
25.2M
25.20 mi13:33:203:06:187:242:55
8:27
+0:53
Finish
26.22 mi13:40:503:13:487:247:30
7:22
-1:05

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

6:56 /mi

Average Pace

7:24 /mi

Slowest Pace

8:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:07

48% of race

Time at Steady Pace

45:20

23% of race

Time at Slower Pace

56:21

29% of race

Average Pace: 7:23 /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 mi10:48:3521:336:5621:33
6:56
#6646
10K
6.21 mi11:10:0843:066:5621:33
6:56
#6412
15K
9.32 mi11:31:541:04:526:5821:46
7:00
#6326
20K
12.43 mi11:54:191:27:177:0122:25
7:13
#6333
Half
13.11 mi11:59:091:32:077:024:50
7:05
#6312
25K
15.53 mi12:17:091:50:077:0518:00
7:25
#6260
30K
18.64 mi12:41:242:14:227:1224:15
7:48
#6222
20M
20.00 mi12:52:082:25:067:1510:44
7:54
#6148
21M
21.00 mi13:00:462:33:447:198:38
8:38
#6090
35K
21.75 mi13:06:252:39:237:205:39
7:33
#5998
23M
23.00 mi13:16:142:49:127:219:49
7:50
#5844
24M
24.00 mi13:23:572:56:557:227:43
7:43
#5741
40K
24.85 mi13:30:253:03:237:236:28
7:34
#5574
25.2M
25.20 mi13:33:203:06:187:242:55
8:27
#5511
Finish
26.22 mi13:40:503:13:487:247:30
7:22
#5423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66467207206267(Top 25%)678(Top 6%)678(Top 15%)
10K6.21 mi3.10 mi6412+234675+45675+456262(Top 25%)651(Top 6%)651(Top 14%)
15K9.32 mi3.11 mi6326+86654+21654+216267(Top 25%)678(Top 6%)678(Top 15%)
20K12.43 mi3.11 mi6333-7686-32686-326495(Top 25%)830(Top 8%)830(Top 18%)
Half13.11 mi0.68 mi6312+21695-9695-96304(Top 25%)763(Top 7%)763(Top 16%)
25K15.53 mi2.42 mi6260+52708-13708-136549(Top 26%)990(Top 9%)990(Top 21%)
30K18.64 mi3.11 mi6222+38754-46754-466748(Top 26%)1254(Top 11%)1254(Top 27%)
20M20.00 mi1.36 mi6148+74767-13767-136222(Top 24%)1215(Top 11%)1215(Top 26%)
21M21.00 mi1.00 mi6090+58781-14781-146845(Top 27%)1636(Top 15%)1636(Top 35%)
35K21.75 mi0.75 mi5998+92774+7774+75330(Top 21%)1019(Top 9%)1019(Top 22%)
23M23.00 mi1.25 mi5844+154769+5769+55000(Top 20%)1005(Top 9%)1005(Top 22%)
24M24.00 mi1.00 mi5741+103760+9760+95138(Top 20%)1138(Top 10%)1138(Top 24%)
40K24.85 mi0.85 mi5574+167740+20740+203774(Top 15%)696(Top 6%)696(Top 15%)
25.2M25.20 mi0.35 mi5511+63743-3743-34315(Top 17%)943(Top 9%)943(Top 20%)
Finish26.22 mi1.02 mi5423+88745-2745-24841(Top 19%)1114(Top 10%)1114(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6267

Females

678

F18-39

678

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6262

Females

651

F18-39

651

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6267

Females

678

F18-39

678

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6495

Females

830

F18-39

830

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6304

Females

763

F18-39

763

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6549

Females

990

F18-39

990

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6748

Females

1254

F18-39

1254

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6222

Females

1215

F18-39

1215

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

6845

Females

1636

F18-39

1636

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5330

Females

1019

F18-39

1019

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5000

Females

1005

F18-39

1005

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5138

Females

1138

F18-39

1138

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3774

Females

696

F18-39

696

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4315

Females

943

F18-39

943

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

4841

Females

1114

F18-39

1114

Passing Analysis

Category:
Athletes Passed
2184
Passed By
961
Net Change
+1223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6646
5K → 10K32692+234#6646#6412
10K → 15K17488+86#6412#6326
15K → 20K175182-7#6326#6333
20K → Half4221+21#6333#6312
Half → 25K164112+52#6312#6260
25K → 30K247209+38#6260#6222
30K → 20M13460+74#6222#6148
20M → 21M13577+58#6148#6090
21M → 35K11220+92#6090#5998
35K → 23M18935+154#5998#5844
23M → 24M12320+103#5844#5741
24M → 40K1736+167#5741#5574
40K → 25.2M7512+63#5574#5511
25.2M → Finish11527+88#5511#5423
TOTALS2184961+1223
📊

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