Boston Marathon logo
BOSTON MARATHON 2023

Erin Neville

Bib: 25803•F

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:30/mi
26:24
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
56:15
↑ 79↓ 1380.4%
15K· 9.32 mi
9:41/mi
1:26:19
↑ 67↓ 78
20K· 12.43 mi
9:47/mi
1:56:44
↑ 106↓ 860.1%
Half· 13.11 mi
9:45/mi
2:03:23
↑ 19↓ 370.5%
25K· 15.53 mi
10:11/mi
2:28:05
↑ 66↓ 880.2%
30K· 18.64 mi
10:28/mi
3:00:37
↑ 181↓ 1480.2%
20M
10:34/mi
3:14:59
↑ 64↓ 500.2%
21M
10:46/mi
3:25:45
↑ 106↓ 241.6%
35K· 21.75 mi
10:18/mi
3:33:27
↑ 17↓ 861.7%
23M
10:25/mi
3:46:29
↑ 23↓ 630.6%
24M
10:38/mi
3:57:07
↓ 821.3%
40K· 24.85 mi
10:28/mi
4:06:04
↓ 200.3%
25.2M
11:59/mi
4:10:12
↑ 13↓ 160.2%
Finish· 26.22 mi
10:00/mi
4:20:23
↑ 22↓ 21

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
Time2:03:23
Pace9:25 /mi
2nd Half
Distance13.11 mi
Time2:17:00
Pace10:27 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3626:248:3026:24
8:30
-
10K
6.21 mi12:11:2756:159:0329:51
9:36
+1:06
15K
9.32 mi12:41:311:26:199:1630:04
9:41
+0:05
20K
12.43 mi13:11:561:56:449:2430:25
9:47
+0:06
Half
13.11 mi13:18:352:03:239:256:39
9:45
-0:02
25K
15.53 mi13:43:172:28:059:3224:42
10:11
+0:26
30K
18.64 mi14:15:493:00:379:4132:32
10:28
+0:17
20M
20.00 mi14:30:113:14:599:4514:22
10:34
+0:06
21M
21.00 mi14:40:573:25:459:4810:46
10:46
+0:12
35K
21.75 mi14:48:393:33:279:497:42
10:18
-0:28
23M
23.00 mi15:01:413:46:299:5113:02
10:25
+0:07
24M
24.00 mi15:12:193:57:079:5310:38
10:38
+0:13
40K
24.85 mi15:21:164:06:049:548:57
10:28
-0:10
25.2M
25.20 mi15:25:244:10:129:564:08
11:59
+1:31
Finish
26.22 mi15:35:354:20:239:5610:11
10:00
-1:59

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

8:30 /mi

Average Pace

9:56 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:23

47% of race

Time at Steady Pace

2:02:06

47% of race

Time at Slower Pace

14:54

6% of race

Average Pace: 9:56 /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 mi11:41:3626:248:3026:24
8:30
#17564
10K
6.21 mi12:11:2756:159:0329:51
9:36
#20870
15K
9.32 mi12:41:311:26:199:1630:04
9:41
#21573
20K
12.43 mi13:11:561:56:449:2430:25
9:47
#21786
Half
13.11 mi13:18:352:03:239:256:39
9:45
#21835
25K
15.53 mi13:43:172:28:059:3224:42
10:11
#21987
30K
18.64 mi14:15:493:00:379:4132:32
10:28
#22027
20M
20.00 mi14:30:113:14:599:4514:22
10:34
#22024
21M
21.00 mi14:40:573:25:459:4810:46
10:46
#21925
35K
21.75 mi14:48:393:33:279:497:42
10:18
#21932
23M
23.00 mi15:01:413:46:299:5113:02
10:25
#21868
24M
24.00 mi15:12:193:57:079:5310:38
10:38
#21894
40K
24.85 mi15:21:164:06:049:548:57
10:28
#21864
25.2M
25.20 mi15:25:244:10:129:564:08
11:59
#21877
Finish
26.22 mi15:35:354:20:239:5610:11
10:00
#21877
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi175646299629922747(Top 85%)9209(Top 81%)9209(Top 189%)
10K6.21 mi3.10 mi20870-33068247-19488247-194822827(Top 86%)9248(Top 81%)9248(Top 189%)
15K9.32 mi3.11 mi21573-7038602-3558602-35522747(Top 85%)9209(Top 81%)9209(Top 189%)
20K12.43 mi3.11 mi21786-2138705-1038705-10322384(Top 84%)9013(Top 79%)9013(Top 185%)
Half13.11 mi0.68 mi21835-498734-298734-2922761(Top 85%)9216(Top 81%)9216(Top 189%)
25K15.53 mi2.42 mi21987-1528822-888822-8822582(Top 85%)9161(Top 80%)9161(Top 188%)
30K18.64 mi3.11 mi22027-408847-258847-2522149(Top 83%)8978(Top 79%)8978(Top 184%)
20M20.00 mi1.36 mi22024+38863-168863-1621906(Top 82%)8927(Top 78%)8927(Top 183%)
21M21.00 mi1.00 mi21925+998814+498814+4920308(Top 76%)8096(Top 71%)8096(Top 166%)
35K21.75 mi0.75 mi21932-78815-18815-121982(Top 83%)9040(Top 79%)9040(Top 185%)
23M23.00 mi1.25 mi21868+648802+138802+1321105(Top 79%)8588(Top 75%)8588(Top 176%)
24M24.00 mi1.00 mi21894-268818-168818-1622307(Top 84%)9259(Top 81%)9259(Top 190%)
40K24.85 mi0.85 mi21864+308820-28820-221148(Top 79%)8695(Top 76%)8695(Top 178%)
25.2M25.20 mi0.35 mi21877-138832-128832-1222490(Top 84%)9390(Top 82%)9390(Top 192%)
Finish26.22 mi1.02 mi218778844-128844-1221756(Top 82%)8989(Top 79%)8989(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22747

Females

9209

F18-39

9209

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22827

Females

9248

F18-39

9248

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22747

Females

9209

F18-39

9209

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22384

Females

9013

F18-39

9013

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22761

Females

9216

F18-39

9216

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22582

Females

9161

F18-39

9161

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22149

Females

8978

F18-39

8978

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21906

Females

8927

F18-39

8927

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20308

Females

8096

F18-39

8096

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

21982

Females

9040

F18-39

9040

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21105

Females

8588

F18-39

8588

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22307

Females

9259

F18-39

9259

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21148

Females

8695

F18-39

8695

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22490

Females

9390

F18-39

9390

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21756

Females

8989

F18-39

8989

Passing Analysis

Category:
Athletes Passed
710
Passed By
5023
Net Change
-4313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17564
5K → 10K63312-3306#17564#20870
10K → 15K20723-703#20870#21573
15K → 20K60273-213#21573#21786
20K → Half1261-49#21786#21835
Half → 25K61213-152#21835#21987
25K → 30K132172-40#21987#22027
30K → 20M6562+3#22027#22024
20M → 21M11718+99#22024#21925
21M → 35K2532-7#21925#21932
35K → 23M9127+64#21932#21868
23M → 24M2551-26#21868#21894
24M → 40K5020+30#21894#21864
40K → 25.2M922-13#21864#21877
25.2M → Finish37370#21877#21877
TOTALS7105023-4313
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing