Boston Marathon logo
BOSTON MARATHON 2024

Nicole Borofski

Bib: 9791•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 25%
Gender (Female)
#0 / 10924
Top 10%
Division (F18-39)
#0 / 4660
Top 18%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:36
Rank: #8986
Start → 5K
22:36 | 7:16/mi
10K· 6.21 mi
45:10
Rank: #8665 (+321)
5K → 10K
22:34 | 7:16/mi
15K· 9.32 mi
1:07:32
Rank: #8187 (+478)
10K → 15K
22:22 | 7:12/mi
20K· 12.43 mi
1:30:56
Rank: #8249 (-62)
15K → 20K
23:24 | 7:32/mi
Half· 13.11 mi
1:35:55
Rank: #8223 (+26)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:54:37
Rank: #8165 (+58)
Half → 25K
18:42 | 7:43/mi
30K· 18.64 mi
2:19:09
Rank: #7882 (+283)
25K → 30K
24:32 | 7:54/mi
20M
2:30:04
Rank: #7782 (+100)
30K → 20M
10:55 | 8:02/mi
21M
2:38:46
Rank: #7638 (+144)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:44:38
Rank: #7555 (+83)
21M → 35K
5:52 | 7:51/mi
23M
2:54:36
Rank: #7337 (+218)
35K → 23M
9:58 | 7:58/mi
24M
3:02:15
Rank: #7129 (+208)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
3:08:30
Rank: #6862 (+267)
24M → 40K
6:15 | 7:19/mi
25.2M
3:11:09
Rank: #6680 (+182)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:17:46
Rank: #6341 (+339)
25.2M → Finish
6:37 | 6:30/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
Time1:35:55
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:41:51
Pace7:46 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3322:367:1622:36
7:16
-
10K
6.21 mi11:11:0745:107:1622:34
7:16
0:00
15K
9.32 mi11:33:291:07:327:1522:22
7:12
-0:04
20K
12.43 mi11:56:531:30:567:1923:24
7:32
+0:20
Half
13.11 mi12:01:521:35:557:194:59
7:18
-0:14
25K
15.53 mi12:20:341:54:377:2318:42
7:43
+0:25
30K
18.64 mi12:45:062:19:097:2824:32
7:54
+0:11
20M
20.00 mi12:56:012:30:047:3010:55
8:02
+0:08
21M
21.00 mi13:04:432:38:467:348:42
8:42
+0:40
35K
21.75 mi13:10:352:44:387:345:52
7:51
-0:51
23M
23.00 mi13:20:332:54:367:359:58
7:58
+0:07
24M
24.00 mi13:28:123:02:157:367:39
7:39
-0:19
40K
24.85 mi13:34:273:08:307:356:15
7:19
-0:20
25.2M
25.20 mi13:37:063:11:097:352:39
7:41
+0:22
Finish
26.22 mi13:43:433:17:467:336:37
6:30
-1:11

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

6:30 /mi

Average Pace

7:33 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:23

43% of race

Time at Steady Pace

58:16

29% of race

Time at Slower Pace

54:07

27% of race

Average Pace: 7:33 /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 mi10:48:3322:367:1622:36
7:16
#8986
10K
6.21 mi11:11:0745:107:1622:34
7:16
#8665
15K
9.32 mi11:33:291:07:327:1522:22
7:12
#8187
20K
12.43 mi11:56:531:30:567:1923:24
7:32
#8249
Half
13.11 mi12:01:521:35:557:194:59
7:18
#8223
25K
15.53 mi12:20:341:54:377:2318:42
7:43
#8165
30K
18.64 mi12:45:062:19:097:2824:32
7:54
#7882
20M
20.00 mi12:56:012:30:047:3010:55
8:02
#7782
21M
21.00 mi13:04:432:38:467:348:42
8:42
#7638
35K
21.75 mi13:10:352:44:387:345:52
7:51
#7555
23M
23.00 mi13:20:332:54:367:359:58
7:58
#7337
24M
24.00 mi13:28:123:02:157:367:39
7:39
#7129
40K
24.85 mi13:34:273:08:307:356:15
7:19
#6862
25.2M
25.20 mi13:37:063:11:097:352:39
7:41
#6680
Finish
26.22 mi13:43:433:17:467:336:37
6:30
#6341
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8986157115717477(Top 29%)1078(Top 10%)1078(Top 23%)
10K6.21 mi3.10 mi8665+3211480+911480+918389(Top 33%)1390(Top 13%)1390(Top 30%)
15K9.32 mi3.11 mi8187+4781293+1871293+1877477(Top 29%)1078(Top 10%)1078(Top 23%)
20K12.43 mi3.11 mi8249-621343-501343-508600(Top 34%)1623(Top 15%)1623(Top 35%)
Half13.11 mi0.68 mi8223+261336+71336+77744(Top 30%)1255(Top 11%)1255(Top 27%)
25K15.53 mi2.42 mi8165+581364-281364-288372(Top 33%)1706(Top 16%)1706(Top 37%)
30K18.64 mi3.11 mi7882+2831342+221342+227279(Top 28%)1468(Top 13%)1468(Top 32%)
20M20.00 mi1.36 mi7782+1001346-41346-46973(Top 27%)1533(Top 14%)1533(Top 33%)
21M21.00 mi1.00 mi7638+1441335+111335+117148(Top 28%)1775(Top 16%)1775(Top 38%)
35K21.75 mi0.75 mi7555+831329+61329+66841(Top 27%)1665(Top 15%)1665(Top 36%)
23M23.00 mi1.25 mi7337+2181294+351294+355561(Top 22%)1252(Top 11%)1252(Top 27%)
24M24.00 mi1.00 mi7129+2081257+371257+374807(Top 19%)1000(Top 9%)1000(Top 21%)
40K24.85 mi0.85 mi6862+2671191+661191+662875(Top 11%)384(Top 4%)384(Top 8%)
25.2M25.20 mi0.35 mi6680+1821148+431148+431924(Top 8%)223(Top 2%)223(Top 5%)
Finish26.22 mi1.02 mi6341+3391060+881060+881407(Top 6%)132(Top 1%)132(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7477

Females

1078

F18-39

1078

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8389

Females

1390

F18-39

1390

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7477

Females

1078

F18-39

1078

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8600

Females

1623

F18-39

1623

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7744

Females

1255

F18-39

1255

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8372

Females

1706

F18-39

1706

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7279

Females

1468

F18-39

1468

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

6973

Females

1533

F18-39

1533

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7148

Females

1775

F18-39

1775

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

6841

Females

1665

F18-39

1665

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5561

Females

1252

F18-39

1252

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4807

Females

1000

F18-39

1000

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2875

Females

384

F18-39

384

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

1924

Females

223

F18-39

223

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1407

Females

132

F18-39

132

Passing Analysis

Category:
Athletes Passed
3468
Passed By
823
Net Change
+2645
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8986
5K → 10K42099+321#8986#8665
10K → 15K49719+478#8665#8187
15K → 20K165227-62#8187#8249
20K → Half4115+26#8249#8223
Half → 25K225167+58#8223#8165
25K → 30K393110+283#8165#7882
30K → 20M16363+100#7882#7782
20M → 21M20157+144#7782#7638
21M → 35K11027+83#7638#7555
35K → 23M24527+218#7555#7337
23M → 24M22012+208#7337#7129
24M → 40K2670+267#7129#6862
40K → 25.2M1820+182#6862#6680
25.2M → Finish3390+339#6680#6341
TOTALS3468823+2645
📊

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