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BOSTON MARATHON 2024

Nicolette Harleth

DC

Bib: 17357 F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 39%
Gender (Female)
#0 / 10924
Top 25%
Division (F18-39)
#0 / 4660
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:06/mi
25:11
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:51/mi
49:33
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:45/mi
1:13:39
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:49/mi
1:37:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:40/mi
1:43:11
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:51/mi
2:02:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:08/mi
2:27:30
↑ 181↓ 1480.2%
138 ft elev
20M
8:22/mi
2:38:52
↑ 64↓ 500.2%
148 ft elev
21M
8:53/mi
2:47:45
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:01/mi
2:53:45
↑ 17↓ 861.7%
156 ft elev
23M
8:38/mi
3:04:33
↑ 23↓ 630.6%
116 ft elev
24M
8:23/mi
3:12:56
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:30/mi
3:20:12
↓ 200.3%
20 ft elev
25.2M
9:43/mi
3:23:33
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:17/mi
3:31:59
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:11
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:48:48
Pace8:18 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5025:118:0625:11
8:06
-
10K
6.21 mi11:40:1249:337:5824:22
7:51
-0:15
15K
9.32 mi12:04:181:13:397:5424:06
7:45
-0:06
20K
12.43 mi12:28:361:37:577:5324:18
7:49
+0:04
Half
13.11 mi12:33:501:43:117:525:14
7:40
-0:09
25K
15.53 mi12:52:532:02:147:5219:03
7:51
+0:11
30K
18.64 mi13:18:092:27:307:5525:16
8:08
+0:17
20M
20.00 mi13:29:312:38:527:5711:22
8:22
+0:14
21M
21.00 mi13:38:242:47:457:598:53
8:53
+0:31
35K
21.75 mi13:44:242:53:457:596:00
8:01
-0:52
23M
23.00 mi13:55:123:04:338:0110:48
8:38
+0:37
24M
24.00 mi14:03:353:12:568:028:23
8:23
-0:15
40K
24.85 mi14:10:513:20:128:037:16
8:30
+0:07
25.2M
25.20 mi14:14:123:23:338:053:21
9:43
+1:13
Finish
26.22 mi14:22:383:31:598:058:26
8:17
-1:26

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

7:40 /mi

Average Pace

8:05 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:03

46% of race

Time at Steady Pace

1:24:38

40% of race

Time at Slower Pace

30:18

14% of race

Average Pace: 8:05 /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 mi11:15:5025:118:0625:11
8:06
#15417
10K
6.21 mi11:40:1249:337:5824:22
7:51
#14218
15K
9.32 mi12:04:181:13:397:5424:06
7:45
#13320
20K
12.43 mi12:28:361:37:577:5324:18
7:49
#12512
Half
13.11 mi12:33:501:43:117:525:14
7:40
#12383
25K
15.53 mi12:52:532:02:147:5219:03
7:51
#11744
30K
18.64 mi13:18:092:27:307:5525:16
8:08
#11033
20M
20.00 mi13:29:312:38:527:5711:22
8:22
#10786
21M
21.00 mi13:38:242:47:457:598:53
8:53
#10546
35K
21.75 mi13:44:242:53:457:596:00
8:01
#10406
23M
23.00 mi13:55:123:04:338:0110:48
8:38
#10265
24M
24.00 mi14:03:353:12:568:028:23
8:23
#10167
40K
24.85 mi14:10:513:20:128:037:16
8:30
#10083
25.2M
25.20 mi14:14:123:23:338:053:21
9:43
#10065
Finish
26.22 mi14:22:383:31:598:058:26
8:17
#10034
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi15417519651961161230253025
10K6.21 mi3.10 mi14218+11994465+7314465+7311301737743774
15K9.32 mi3.11 mi13320+8983933+5323933+5321161230253025
20K12.43 mi3.11 mi12512+8083488+4453488+4451058726192619
Half13.11 mi0.68 mi12383+1293431+573431+571043325232523
25K15.53 mi2.42 mi11744+6393117+3143117+314931021552155
30K18.64 mi3.11 mi11033+7112845+2722845+272864220422042
20M20.00 mi1.36 mi10786+2472773+722773+72874523502350
21M21.00 mi1.00 mi10546+2402712+612712+61803421982198
35K21.75 mi0.75 mi10406+1402668+442668+44796722172217
23M23.00 mi1.25 mi10265+1412657+112657+11914929472947
24M24.00 mi1.00 mi10167+982655+22655+2877528382838
40K24.85 mi0.85 mi10083+842658-32658-3836727492749
25.2M25.20 mi0.35 mi10065+182664-62664-6971134843484
Finish26.22 mi1.02 mi10034+312693-292693-291019735953595

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11612

Females

3025

F18-39

3025

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13017

Females

3774

F18-39

3774

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11612

Females

3025

F18-39

3025

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10587

Females

2619

F18-39

2619

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10433

Females

2523

F18-39

2523

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9310

Females

2155

F18-39

2155

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8642

Females

2042

F18-39

2042

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

8745

Females

2350

F18-39

2350

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8034

Females

2198

F18-39

2198

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

7967

Females

2217

F18-39

2217

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9149

Females

2947

F18-39

2947

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

8775

Females

2838

F18-39

2838

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8367

Females

2749

F18-39

2749

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9711

Females

3484

F18-39

3484

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10197

Females

3595

F18-39

3595

Passing Analysis

Category:
Athletes Passed
5752*
Passed By
369
Net Change
+5383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15417
5K → 10K121617+1199#15417#14218
10K → 15K9068+898#14218#13320
15K → 20K8168+808#13320#12512
20K → Half1312+129#12512#12383
Half → 25K6434+639#12383#11744
25K → 30K73625+711#11744#11033
30K → 20M28235+247#11033#10786
20M → 21M26727+240#10786#10546
21M → 35K1477+140#10546#10406
35K → 23M20665+141#10406#10265
23M → 24M13840+98#10265#10167
24M → 40K118*34+84#10167#10083
40K → 25.2M5234+18#10083#10065
25.2M → Finish9463+31#10065#10034
TOTALS5752*369+5383

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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