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BOSTON MARATHON 2024

Brittany Balsaver

Bib: 17736•F

TX

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 42%
Gender (Female)
#0 / 10924
Top 28%
Division (F18-39)
#0 / 4660
Top 45%
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
7:52/mi
24:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
49:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:13:47
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:38:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:44:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:04:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:30:37
↑ 181↓ 1480.2%
20M
8:42/mi
2:42:26
↑ 64↓ 500.2%
21M
9:18/mi
2:51:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
2:57:54
↑ 17↓ 861.7%
23M
8:26/mi
3:08:27
↑ 23↓ 630.6%
24M
8:02/mi
3:16:29
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:23:30
↓ 200.3%
25.2M
9:43/mi
3:26:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:35:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:50:38
Pace8:26 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2624:267:5224:26
7:52
-
10K
6.21 mi11:40:0049:007:5324:34
7:54
+0:02
15K
9.32 mi12:04:471:13:477:5524:47
7:59
+0:05
20K
12.43 mi12:29:541:38:547:5725:07
8:05
+0:06
Half
13.11 mi12:35:231:44:237:585:29
8:02
-0:03
25K
15.53 mi12:55:152:04:158:0019:52
8:12
+0:10
30K
18.64 mi13:21:372:30:378:0526:22
8:29
+0:17
20M
20.00 mi13:33:262:42:268:0711:49
8:42
+0:13
21M
21.00 mi13:42:442:51:448:119:18
9:18
+0:36
35K
21.75 mi13:48:542:57:548:116:10
8:15
-1:03
23M
23.00 mi13:59:273:08:278:1210:33
8:26
+0:11
24M
24.00 mi14:07:293:16:298:118:02
8:02
-0:24
40K
24.85 mi14:14:303:23:308:117:01
8:12
+0:10
25.2M
25.20 mi14:17:513:26:518:133:21
9:43
+1:31
Finish
26.22 mi14:26:013:35:018:128:10
8:01
-1:42

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

7:52 /mi

Average Pace

8:12 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:00

23% of race

Time at Steady Pace

1:55:11

54% of race

Time at Slower Pace

50:50

24% of race

Average Pace: 8:12 /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 mi11:15:2624:267:5224:26
7:52
#13595
10K
6.21 mi11:40:0049:007:5324:34
7:54
#13522
15K
9.32 mi12:04:471:13:477:5524:47
7:59
#13426
20K
12.43 mi12:29:541:38:547:5725:07
8:05
#13079
Half
13.11 mi12:35:231:44:237:585:29
8:02
#13056
25K
15.53 mi12:55:152:04:158:0019:52
8:12
#12707
30K
18.64 mi13:21:372:30:378:0526:22
8:29
#12218
20M
20.00 mi13:33:262:42:268:0711:49
8:42
#12047
21M
21.00 mi13:42:442:51:448:119:18
9:18
#11844
35K
21.75 mi13:48:542:57:548:116:10
8:15
#11731
23M
23.00 mi13:59:273:08:278:1210:33
8:26
#11416
24M
24.00 mi14:07:293:16:298:118:02
8:02
#11139
40K
24.85 mi14:14:303:23:308:117:01
8:12
#10926
25.2M
25.20 mi14:17:513:26:518:133:21
9:43
#10886
Finish
26.22 mi14:26:013:35:018:128:10
8:01
#10781
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135954056405613301(Top 52%)3972(Top 36%)3972(Top 85%)
10K6.21 mi3.10 mi13522+734044+124044+1213501(Top 53%)4045(Top 37%)4045(Top 87%)
15K9.32 mi3.11 mi13426+964002+424002+4213301(Top 52%)3972(Top 36%)3972(Top 85%)
20K12.43 mi3.11 mi13079+3473820+1823820+18212427(Top 49%)3540(Top 32%)3540(Top 76%)
Half13.11 mi0.68 mi13056+233825-53825-513014(Top 51%)3882(Top 36%)3882(Top 83%)
25K15.53 mi2.42 mi12707+3493650+1753650+17511330(Top 44%)3138(Top 29%)3138(Top 67%)
30K18.64 mi3.11 mi12218+4893469+1813469+18110594(Top 41%)2988(Top 27%)2988(Top 64%)
20M20.00 mi1.36 mi12047+1713432+373432+3710527(Top 41%)3215(Top 29%)3215(Top 69%)
21M21.00 mi1.00 mi11844+2033382+503382+509957(Top 39%)3207(Top 29%)3207(Top 69%)
35K21.75 mi0.75 mi11731+1133348+343348+349258(Top 36%)2844(Top 26%)2844(Top 61%)
23M23.00 mi1.25 mi11416+3153257+913257+918084(Top 32%)2428(Top 22%)2428(Top 52%)
24M24.00 mi1.00 mi11139+2773156+1013156+1016853(Top 27%)1941(Top 18%)1941(Top 42%)
40K24.85 mi0.85 mi10926+2133085+713085+716868(Top 27%)2070(Top 19%)2070(Top 44%)
25.2M25.20 mi0.35 mi10886+403096-113096-119723(Top 38%)3496(Top 32%)3496(Top 75%)
Finish26.22 mi1.02 mi10781+1053082+143082+148622(Top 34%)2884(Top 26%)2884(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13301

Females

3972

F18-39

3972

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

13501

Females

4045

F18-39

4045

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13301

Females

3972

F18-39

3972

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12427

Females

3540

F18-39

3540

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13014

Females

3882

F18-39

3882

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11330

Females

3138

F18-39

3138

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10594

Females

2988

F18-39

2988

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10527

Females

3215

F18-39

3215

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

9957

Females

3207

F18-39

3207

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9258

Females

2844

F18-39

2844

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8084

Females

2428

F18-39

2428

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

6853

Females

1941

F18-39

1941

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6868

Females

2070

F18-39

2070

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9723

Females

3496

F18-39

3496

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8622

Females

2884

F18-39

2884

Passing Analysis

Category:
Athletes Passed
3720
Passed By
906
Net Change
+2814
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13595
5K → 10K342269+73#13595#13522
10K → 15K269173+96#13522#13426
15K → 20K44093+347#13426#13079
20K → Half6138+23#13079#13056
Half → 25K41566+349#13056#12707
25K → 30K56677+489#12707#12218
30K → 20M22453+171#12218#12047
20M → 21M24037+203#12047#11844
21M → 35K12310+113#11844#11731
35K → 23M33419+315#11731#11416
23M → 24M2814+277#11416#11139
24M → 40K22512+213#11139#10926
40K → 25.2M6727+40#10926#10886
25.2M → Finish13328+105#10886#10781
TOTALS3720906+2814
📊

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