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BOSTON MARATHON 2024

Stephanie Nielsen

Bib: 5633•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 14%
Gender (Female)
#0 / 10924
Top 3%
Masters (Masters Women)
#0 / 6263
Top 0.7%
Division (F40-44)
#0 / 1613
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:40
Rank: #4439
Start → 5K
20:40 | 6:39/mi
10K· 6.21 mi
41:18
Rank: #4144 (+295)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:28
Rank: #4332 (-188)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:23:51
Rank: #4313 (+19)
15K → 20K
21:23 | 6:53/mi
Half· 13.11 mi
1:28:25
Rank: #4275 (+38)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:17
Rank: #4207 (+68)
Half → 25K
16:52 | 6:57/mi
30K· 18.64 mi
2:07:58
Rank: #4187 (+20)
25K → 30K
22:41 | 7:18/mi
20M
2:17:39
Rank: #3975 (+212)
30K → 20M
9:41 | 7:08/mi
21M
2:25:29
Rank: #3888 (+87)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:30:38
Rank: #3788 (+100)
21M → 35K
5:09 | 6:53/mi
23M
2:39:40
Rank: #3627 (+161)
35K → 23M
9:02 | 7:13/mi
24M
2:46:53
Rank: #3559 (+68)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
2:53:25
Rank: #3527 (+32)
24M → 40K
6:32 | 7:38/mi
25.2M
2:56:18
Rank: #3504 (+23)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:04:06
Rank: #3538 (-34)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:35:41
Pace7:18 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0920:406:3920:40
6:39
-
10K
6.21 mi10:45:4741:186:3920:38
6:38
-0:01
15K
9.32 mi11:06:571:02:286:4221:10
6:49
+0:11
20K
12.43 mi11:28:201:23:516:4521:23
6:53
+0:04
Half
13.11 mi11:32:541:28:256:454:34
6:42
-0:11
25K
15.53 mi11:49:461:45:176:4716:52
6:57
+0:15
30K
18.64 mi12:12:272:07:586:5222:41
7:18
+0:21
20M
20.00 mi12:22:082:17:396:539:41
7:08
-0:10
21M
21.00 mi12:29:582:25:296:567:50
7:50
+0:42
35K
21.75 mi12:35:072:30:386:565:09
6:53
-0:57
23M
23.00 mi12:44:092:39:406:579:02
7:13
+0:20
24M
24.00 mi12:51:222:46:536:577:13
7:13
0:00
40K
24.85 mi12:57:542:53:256:596:32
7:38
+0:25
25.2M
25.20 mi13:00:472:56:187:002:53
8:22
+0:44
Finish
26.22 mi13:08:353:04:067:027:48
7:39
-0:43

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

6:38 /mi

Average Pace

7:02 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:34

51% of race

Time at Steady Pace

1:05:29

36% of race

Time at Slower Pace

25:03

14% of race

Average Pace: 7:01 /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 mi10:25:0920:406:3920:40
6:39
#4439
10K
6.21 mi10:45:4741:186:3920:38
6:38
#4144
15K
9.32 mi11:06:571:02:286:4221:10
6:49
#4332
20K
12.43 mi11:28:201:23:516:4521:23
6:53
#4313
Half
13.11 mi11:32:541:28:256:454:34
6:42
#4275
25K
15.53 mi11:49:461:45:176:4716:52
6:57
#4207
30K
18.64 mi12:12:272:07:586:5222:41
7:18
#4187
20M
20.00 mi12:22:082:17:396:539:41
7:08
#3975
21M
21.00 mi12:29:582:25:296:567:50
7:50
#3888
35K
21.75 mi12:35:072:30:386:565:09
6:53
#3788
23M
23.00 mi12:44:092:39:406:579:02
7:13
#3627
24M
24.00 mi12:51:222:46:536:577:13
7:13
#3559
40K
24.85 mi12:57:542:53:256:596:32
7:38
#3527
25.2M
25.20 mi13:00:472:56:187:002:53
8:22
#3504
Finish
26.22 mi13:08:353:04:067:027:48
7:39
#3538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi44392682684867(Top 19%)363(Top 3%)363(Top 23%)
10K6.21 mi3.10 mi4144+295226+42226+423921(Top 15%)219(Top 2%)219(Top 14%)
15K9.32 mi3.11 mi4332-188268-42268-424867(Top 19%)363(Top 3%)363(Top 23%)
20K12.43 mi3.11 mi4313+19277-9277-94518(Top 18%)338(Top 3%)338(Top 21%)
Half13.11 mi0.68 mi4275+38269+8269+83812(Top 15%)237(Top 2%)237(Top 15%)
25K15.53 mi2.42 mi4207+68262+7262+74137(Top 16%)323(Top 3%)323(Top 20%)
30K18.64 mi3.11 mi4187+20279-17279-174219(Top 17%)418(Top 4%)418(Top 26%)
20M20.00 mi1.36 mi3975+212262+17262+172882(Top 11%)231(Top 2%)231(Top 14%)
21M21.00 mi1.00 mi3888+87267-5267-53584(Top 14%)412(Top 4%)412(Top 26%)
35K21.75 mi0.75 mi3788+100260+7260+72641(Top 10%)234(Top 2%)234(Top 15%)
23M23.00 mi1.25 mi3627+161256+4256+42647(Top 10%)267(Top 2%)267(Top 17%)
24M24.00 mi1.00 mi3559+68261-5261-53066(Top 12%)389(Top 4%)389(Top 24%)
40K24.85 mi0.85 mi3527+32263-2263-24084(Top 16%)805(Top 7%)805(Top 50%)
25.2M25.20 mi0.35 mi3504+23269-6269-63950(Top 15%)792(Top 7%)792(Top 49%)
Finish26.22 mi1.02 mi3538-34282-13282-136473(Top 25%)1859(Top 17%)1859(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4867

Females

363

F40-44

363

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3921

Females

219

F40-44

219

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4867

Females

363

F40-44

363

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4518

Females

338

F40-44

338

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3812

Females

237

F40-44

237

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4137

Females

323

F40-44

323

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4219

Females

418

F40-44

418

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2882

Females

231

F40-44

231

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3584

Females

412

F40-44

412

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2641

Females

234

F40-44

234

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2647

Females

267

F40-44

267

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3066

Females

389

F40-44

389

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4084

Females

805

F40-44

805

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3950

Females

792

F40-44

792

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6473

Females

1859

F40-44

1859

Passing Analysis

Category:
Athletes Passed
1894
Passed By
993
Net Change
+901
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4439
5K → 10K36671+295#4439#4144
10K → 15K76264-188#4144#4332
15K → 20K164145+19#4332#4313
20K → Half4911+38#4313#4275
Half → 25K16092+68#4275#4207
25K → 30K212192+20#4207#4187
30K → 20M22412+212#4187#3975
20M → 21M13245+87#3975#3888
21M → 35K1066+100#3888#3788
35K → 23M17413+161#3788#3627
23M → 24M9325+68#3627#3559
24M → 40K5826+32#3559#3527
40K → 25.2M3916+23#3527#3504
25.2M → Finish4175-34#3504#3538
TOTALS1894993+901
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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