Boston Marathon logo
BOSTON MARATHON 2024

Katherine Nehring

Bib: 28142•F

NY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:50
Rank: #18527
Start → 5K
26:50 | 8:38/mi
10K· 6.21 mi
52:40
Rank: #17398 (+1129)
5K → 10K
25:50 | 8:19/mi
15K· 9.32 mi
1:20:37
Rank: #17936 (-538)
10K → 15K
27:57 | 9:00/mi
20K· 12.43 mi
1:49:36
Rank: #18118 (-182)
15K → 20K
28:59 | 9:20/mi
Half· 13.11 mi
1:55:29
Rank: #18040 (+78)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:19:18
Rank: #18152 (-112)
Half → 25K
23:49 | 9:49/mi
30K· 18.64 mi
2:50:18
Rank: #17984 (+168)
25K → 30K
31:00 | 9:59/mi
20M
3:03:21
Rank: #17742 (+242)
30K → 20M
13:03 | 9:36/mi
21M
3:14:30
Rank: #17701 (+41)
20M → 21M
11:09 | 11:09/mi
35K· 21.75 mi
3:22:18
Rank: #17742 (-41)
21M → 35K
7:48 | 10:26/mi
23M
3:33:51
Rank: #17426 (+316)
35K → 23M
11:33 | 9:13/mi
24M
3:42:26
Rank: #17141 (+285)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
3:49:49
Rank: #16823 (+318)
24M → 40K
7:23 | 8:38/mi
25.2M
3:53:23
Rank: #16735 (+88)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
4:01:39
Rank: #16474 (+261)
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
Time1:55:29
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:06:10
Pace9:37 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5026:508:3826:50
8:38
-
10K
6.21 mi12:16:4052:408:2925:50
8:19
-0:19
15K
9.32 mi12:44:371:20:378:3927:57
9:00
+0:41
20K
12.43 mi13:13:361:49:368:4928:59
9:20
+0:20
Half
13.11 mi13:19:291:55:298:495:53
8:37
-0:43
25K
15.53 mi13:43:182:19:188:5823:49
9:49
+1:12
30K
18.64 mi14:14:182:50:189:0831:00
9:59
+0:10
20M
20.00 mi14:27:213:03:219:1013:03
9:36
-0:23
21M
21.00 mi14:38:303:14:309:1611:09
11:09
+1:33
35K
21.75 mi14:46:183:22:189:187:48
10:26
-0:43
23M
23.00 mi14:57:513:33:519:1811:33
9:13
-1:13
24M
24.00 mi15:06:263:42:269:168:35
8:35
-0:38
40K
24.85 mi15:13:493:49:499:157:23
8:38
+0:03
25.2M
25.20 mi15:17:233:53:239:163:34
10:21
+1:43
Finish
26.22 mi15:25:394:01:399:138:16
8:07
-2:14

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

8:07 /mi

Average Pace

9:13 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:47

34% of race

Time at Steady Pace

1:21:32

34% of race

Time at Slower Pace

1:17:20

32% of race

Average Pace: 9:13 /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 mi11:50:5026:508:3826:50
8:38
#18527
10K
6.21 mi12:16:4052:408:2925:50
8:19
#17398
15K
9.32 mi12:44:371:20:378:3927:57
9:00
#17936
20K
12.43 mi13:13:361:49:368:4928:59
9:20
#18118
Half
13.11 mi13:19:291:55:298:495:53
8:37
#18040
25K
15.53 mi13:43:182:19:188:5823:49
9:49
#18152
30K
18.64 mi14:14:182:50:189:0831:00
9:59
#17984
20M
20.00 mi14:27:213:03:219:1013:03
9:36
#17742
21M
21.00 mi14:38:303:14:309:1611:09
11:09
#17701
35K
21.75 mi14:46:183:22:189:187:48
10:26
#17742
23M
23.00 mi14:57:513:33:519:1811:33
9:13
#17426
24M
24.00 mi15:06:263:42:269:168:35
8:35
#17141
40K
24.85 mi15:13:493:49:499:157:23
8:38
#16823
25.2M
25.20 mi15:17:233:53:239:163:34
10:21
#16735
Finish
26.22 mi15:25:394:01:399:138:16
8:07
#16474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi185277070707018899(Top 74%)7193(Top 66%)7193(Top 154%)
10K6.21 mi3.10 mi17398+11296388+6826388+68216225(Top 64%)5664(Top 52%)5664(Top 122%)
15K9.32 mi3.11 mi17936-5386699-3116699-31118899(Top 74%)7193(Top 66%)7193(Top 154%)
20K12.43 mi3.11 mi18118-1826806-1076806-10718637(Top 73%)7069(Top 65%)7069(Top 152%)
Half13.11 mi0.68 mi18040+786765+416765+4116454(Top 64%)5913(Top 54%)5913(Top 127%)
25K15.53 mi2.42 mi18152-1126851-866851-8618619(Top 73%)7173(Top 66%)7173(Top 154%)
30K18.64 mi3.11 mi17984+1686822+296822+2917286(Top 68%)6671(Top 61%)6671(Top 143%)
20M20.00 mi1.36 mi17742+2426713+1096713+10914964(Top 59%)5655(Top 52%)5655(Top 121%)
21M21.00 mi1.00 mi17701+416727-146727-1416732(Top 65%)6715(Top 61%)6715(Top 144%)
35K21.75 mi0.75 mi17742-416767-406767-4018376(Top 72%)7518(Top 69%)7518(Top 161%)
23M23.00 mi1.25 mi17426+3166606+1616606+16112288(Top 48%)4563(Top 42%)4563(Top 98%)
24M24.00 mi1.00 mi17141+2856470+1366470+1369995(Top 39%)3449(Top 32%)3449(Top 74%)
40K24.85 mi0.85 mi16823+3186334+1366334+1369105(Top 36%)3147(Top 29%)3147(Top 68%)
25.2M25.20 mi0.35 mi16735+886293+416293+4112323(Top 48%)4784(Top 44%)4784(Top 103%)
Finish26.22 mi1.02 mi16474+2616184+1096184+1099303(Top 36%)3203(Top 29%)3203(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

18899

Females

7193

F18-39

7193

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

16225

Females

5664

F18-39

5664

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

18899

Females

7193

F18-39

7193

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

18637

Females

7069

F18-39

7069

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16454

Females

5913

F18-39

5913

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

18619

Females

7173

F18-39

7173

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17286

Females

6671

F18-39

6671

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

14964

Females

5655

F18-39

5655

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

16732

Females

6715

F18-39

6715

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

18376

Females

7518

F18-39

7518

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12288

Females

4563

F18-39

4563

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

9995

Females

3449

F18-39

3449

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9105

Females

3147

F18-39

3147

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12323

Females

4784

F18-39

4784

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9303

Females

3203

F18-39

3203

Passing Analysis

Category:
Athletes Passed
3736
Passed By
1683
Net Change
+2053
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18527
5K → 10K115223+1129#18527#17398
10K → 15K110648-538#17398#17936
15K → 20K176358-182#17936#18118
20K → Half824+78#18118#18040
Half → 25K168280-112#18040#18152
25K → 30K334166+168#18152#17984
30K → 20M26018+242#17984#17742
20M → 21M11473+41#17742#17701
21M → 35K59100-41#17701#17742
35K → 23M3204+316#17742#17426
23M → 24M2850+285#17426#17141
24M → 40K3191+318#17141#16823
40K → 25.2M935+88#16823#16735
25.2M → Finish2643+261#16735#16474
TOTALS37361683+2053
📊

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