Boston Marathon logo
BOSTON MARATHON 2024

Nadezhda Tsoy

Bib: 16013•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 29%
Division (F18-39)
#0 / 4660
Top 46%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:19
Rank: #10817
Start → 5K
23:19 | 7:30/mi
10K· 6.21 mi
47:20
Rank: #11399 (-582)
5K → 10K
24:01 | 7:44/mi
15K· 9.32 mi
1:12:15
Rank: #12140 (-741)
10K → 15K
24:55 | 8:01/mi
20K· 12.43 mi
1:37:25
Rank: #12180 (-40)
15K → 20K
25:10 | 8:06/mi
Half· 13.11 mi
1:43:01
Rank: #12296 (-116)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:03:15
Rank: #12230 (+66)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:30:42
Rank: #12252 (-22)
25K → 30K
27:27 | 8:50/mi
20M
2:42:45
Rank: #12136 (+116)
30K → 20M
12:03 | 8:52/mi
21M
2:52:04
Rank: #11953 (+183)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
2:58:09
Rank: #11811 (+142)
21M → 35K
6:05 | 8:08/mi
23M
3:08:41
Rank: #11483 (+328)
35K → 23M
10:32 | 8:25/mi
24M
3:16:57
Rank: #11279 (+204)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:24:21
Rank: #11136 (+143)
24M → 40K
7:24 | 8:39/mi
25.2M
3:27:36
Rank: #11069 (+67)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:35:52
Rank: #10959 (+110)
25.2M → Finish
8:16 | 8:07/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:01
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:52:51
Pace8:37 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2823:197:3023:19
7:30
-
10K
6.21 mi11:37:2947:207:3724:01
7:44
+0:14
15K
9.32 mi12:02:241:12:157:4524:55
8:01
+0:17
20K
12.43 mi12:27:341:37:257:5025:10
8:06
+0:05
Half
13.11 mi12:33:101:43:017:515:36
8:12
+0:06
25K
15.53 mi12:53:242:03:157:5620:14
8:21
+0:09
30K
18.64 mi13:20:512:30:428:0527:27
8:50
+0:29
20M
20.00 mi13:32:542:42:458:0812:03
8:52
+0:02
21M
21.00 mi13:42:132:52:048:129:19
9:19
+0:27
35K
21.75 mi13:48:182:58:098:116:05
8:08
-1:11
23M
23.00 mi13:58:503:08:418:1210:32
8:25
+0:17
24M
24.00 mi14:07:063:16:578:128:16
8:16
-0:09
40K
24.85 mi14:14:303:24:218:137:24
8:39
+0:23
25.2M
25.20 mi14:17:453:27:368:143:15
9:25
+0:46
Finish
26.22 mi14:26:013:35:528:148:16
8:07
-1:18

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

7:30 /mi

Average Pace

8:14 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:20

22% of race

Time at Steady Pace

1:49:04

51% of race

Time at Slower Pace

59:28

28% of race

Average Pace: 8:14 /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 mi11:13:2823:197:3023:19
7:30
#10817
10K
6.21 mi11:37:2947:207:3724:01
7:44
#11399
15K
9.32 mi12:02:241:12:157:4524:55
8:01
#12140
20K
12.43 mi12:27:341:37:257:5025:10
8:06
#12180
Half
13.11 mi12:33:101:43:017:515:36
8:12
#12296
25K
15.53 mi12:53:242:03:157:5620:14
8:21
#12230
30K
18.64 mi13:20:512:30:428:0527:27
8:50
#12252
20M
20.00 mi13:32:542:42:458:0812:03
8:52
#12136
21M
21.00 mi13:42:132:52:048:129:19
9:19
#11953
35K
21.75 mi13:48:182:58:098:116:05
8:08
#11811
23M
23.00 mi13:58:503:08:418:1210:32
8:25
#11483
24M
24.00 mi14:07:063:16:578:128:16
8:16
#11279
40K
24.85 mi14:14:303:24:218:137:24
8:39
#11136
25.2M
25.20 mi14:17:453:27:368:143:15
9:25
#11069
Finish
26.22 mi14:26:013:35:528:148:16
8:07
#10959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi108172468246813587(Top 53%)4124(Top 38%)4124(Top 88%)
10K6.21 mi3.10 mi11399-5822822-3542822-35412100(Top 47%)3244(Top 30%)3244(Top 70%)
15K9.32 mi3.11 mi12140-7413277-4553277-45513587(Top 53%)4124(Top 38%)4124(Top 88%)
20K12.43 mi3.11 mi12180-403323-463323-4612531(Top 49%)3597(Top 33%)3597(Top 77%)
Half13.11 mi0.68 mi12296-1163383-603383-6014046(Top 55%)4480(Top 41%)4480(Top 96%)
25K15.53 mi2.42 mi12230+663392-93392-912236(Top 48%)3635(Top 33%)3635(Top 78%)
30K18.64 mi3.11 mi12252-223486-943486-9412374(Top 48%)3924(Top 36%)3924(Top 84%)
20M20.00 mi1.36 mi12136+1163481+53481+511448(Top 45%)3728(Top 34%)3728(Top 80%)
21M21.00 mi1.00 mi11953+1833437+443437+4410042(Top 39%)3251(Top 30%)3251(Top 70%)
35K21.75 mi0.75 mi11811+1423394+433394+438626(Top 34%)2529(Top 23%)2529(Top 54%)
23M23.00 mi1.25 mi11483+3283293+1013293+1018005(Top 31%)2389(Top 22%)2389(Top 51%)
24M24.00 mi1.00 mi11279+2043233+603233+608155(Top 32%)2565(Top 23%)2565(Top 55%)
40K24.85 mi0.85 mi11136+1433209+243209+249185(Top 36%)3179(Top 29%)3179(Top 68%)
25.2M25.20 mi0.35 mi11069+673192+173192+178487(Top 33%)2895(Top 27%)2895(Top 62%)
Finish26.22 mi1.02 mi10959+1103176+163176+169279(Top 36%)3179(Top 29%)3179(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

13587

Females

4124

F18-39

4124

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12100

Females

3244

F18-39

3244

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

13587

Females

4124

F18-39

4124

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12531

Females

3597

F18-39

3597

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14046

Females

4480

F18-39

4480

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12236

Females

3635

F18-39

3635

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12374

Females

3924

F18-39

3924

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11448

Females

3728

F18-39

3728

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10042

Females

3251

F18-39

3251

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8626

Females

2529

F18-39

2529

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8005

Females

2389

F18-39

2389

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8155

Females

2565

F18-39

2565

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9185

Females

3179

F18-39

3179

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8487

Females

2895

F18-39

2895

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9279

Females

3179

F18-39

3179

Passing Analysis

Category:
Athletes Passed
2490
Passed By
2632
Net Change
-142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10817
5K → 10K116698-582#10817#11399
10K → 15K62803-741#11399#12140
15K → 20K230270-40#12140#12180
20K → Half12128-116#12180#12296
Half → 25K267201+66#12296#12230
25K → 30K293315-22#12230#12252
30K → 20M19478+116#12252#12136
20M → 21M22239+183#12136#11953
21M → 35K1508+142#11953#11811
35K → 23M34315+328#11811#11483
23M → 24M21814+204#11483#11279
24M → 40K16724+143#11279#11136
40K → 25.2M7811+67#11136#11069
25.2M → Finish13828+110#11069#10959
TOTALS24902632-142
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing