Boston Marathon logo
BOSTON MARATHON 2023

Rachel Martin

Bib: 25683•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
29:28
Rank: #22048
Start → 5K
9:29/mi
29:28 split
10K· 6.21 mi
57:42
Rank: #21686 (+362)
5K → 10K
9:05/mi
28:14 split
15K· 9.32 mi
1:26:28
Rank: #21627 (+59)
10K → 15K
9:16/mi
28:46 split
20K· 12.43 mi
1:57:23
Rank: #21934 (-307)
15K → 20K
9:57/mi
30:55 split
Half· 13.11 mi
2:04:04
Rank: #21990 (-56)
20K → Half
9:48/mi
6:41 split
25K· 15.53 mi
2:29:30
Rank: #22276 (-286)
Half → 25K
10:29/mi
25:26 split
30K· 18.64 mi
3:07:28
Rank: #22930 (-654)
25K → 30K
12:13/mi
37:58 split
20M
3:23:43
Rank: #23052 (-122)
30K → 20M
11:57/mi
16:15 split
21M
3:37:26
Rank: #23210 (-158)
20M → 21M
13:43/mi
13:43 split
35K· 21.75 mi
3:46:21
Rank: #23263 (-53)
21M → 35K
11:55/mi
8:55 split
23M
3:59:55
Rank: #23208 (+55)
35K → 23M
10:50/mi
13:34 split
24M
4:10:38
Rank: #23170 (+38)
23M → 24M
10:43/mi
10:43 split
40K· 24.85 mi
4:19:39
Rank: #23089 (+81)
24M → 40K
10:33/mi
9:01 split
25.2M
4:24:17
Rank: #23126 (-37)
40K → 25.2M
13:26/mi
4:38 split
Finish· 26.22 mi
4:34:46
Rank: #23093 (+33)
25.2M → Finish
10:17/mi
10:29 split

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
Time2:04:04
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:30:42
Pace11:30 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2129:289:2929:28
9:29
-
10K
6.21 mi12:13:3557:429:1728:14
9:05
-0:24
15K
9.32 mi12:42:211:26:289:1728:46
9:16
+0:11
20K
12.43 mi13:13:161:57:239:2730:55
9:57
+0:41
Half
13.11 mi13:19:572:04:049:286:41
9:48
-0:09
25K
15.53 mi13:45:232:29:309:3725:26
10:29
+0:41
30K
18.64 mi14:23:213:07:2810:0337:58
12:13
+1:44
20M
20.00 mi14:39:363:23:4310:1116:15
11:57
-0:16
21M
21.00 mi14:53:193:37:2610:2113:43
13:43
+1:46
35K
21.75 mi15:02:143:46:2110:248:55
11:55
-1:48
23M
23.00 mi15:15:483:59:5510:2613:34
10:50
-1:05
24M
24.00 mi15:26:314:10:3810:2710:43
10:43
-0:07
40K
24.85 mi15:35:324:19:3910:279:01
10:33
-0:10
25.2M
25.20 mi15:40:104:24:1710:294:38
13:26
+2:53
Finish
26.22 mi15:50:394:34:4610:2910:29
10:17
-3:09

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

9:05 /mi

Average Pace

10:29 /mi

Slowest Pace

13:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:09

34% of race

Time at Steady Pace

1:40:08

36% of race

Time at Slower Pace

1:21:29

30% of race

Average Pace: 10:29 /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 mi11:45:2129:289:2929:28
9:29
#22048
10K
6.21 mi12:13:3557:429:1728:14
9:05
#21686
15K
9.32 mi12:42:211:26:289:1728:46
9:16
#21627
20K
12.43 mi13:13:161:57:239:2730:55
9:57
#21934
Half
13.11 mi13:19:572:04:049:286:41
9:48
#21990
25K
15.53 mi13:45:232:29:309:3725:26
10:29
#22276
30K
18.64 mi14:23:213:07:2810:0337:58
12:13
#22930
20M
20.00 mi14:39:363:23:4310:1116:15
11:57
#23052
21M
21.00 mi14:53:193:37:2610:2113:43
13:43
#23210
35K
21.75 mi15:02:143:46:2110:248:55
11:55
#23263
23M
23.00 mi15:15:483:59:5510:2613:34
10:50
#23208
24M
24.00 mi15:26:314:10:3810:2710:43
10:43
#23170
40K
24.85 mi15:35:324:19:3910:279:01
10:33
#23089
25.2M
25.20 mi15:40:104:24:1710:294:38
13:26
#23126
Finish
26.22 mi15:50:394:34:4610:2910:29
10:17
#23093
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi220488906890621518(Top 81%)8513(Top 75%)8513(Top 174%)
10K6.21 mi3.10 mi21686+3628680+2268680+22621230(Top 80%)8406(Top 74%)8406(Top 172%)
15K9.32 mi3.11 mi21627+598631+498631+4921518(Top 81%)8513(Top 75%)8513(Top 174%)
20K12.43 mi3.11 mi21934-3078797-1668797-16622793(Top 86%)9243(Top 81%)9243(Top 189%)
Half13.11 mi0.68 mi21990-568826-298826-2922889(Top 86%)9299(Top 81%)9299(Top 190%)
25K15.53 mi2.42 mi22276-2868991-1658991-16523188(Top 87%)9485(Top 83%)9485(Top 194%)
30K18.64 mi3.11 mi22930-6549347-3569347-35624731(Top 93%)10415(Top 91%)10415(Top 213%)
20M20.00 mi1.36 mi23052-1229424-779424-7724151(Top 91%)10155(Top 89%)10155(Top 208%)
21M21.00 mi1.00 mi23210-1589513-899513-8924798(Top 93%)10501(Top 92%)10501(Top 215%)
35K21.75 mi0.75 mi23263-539546-339546-3324605(Top 92%)10452(Top 91%)10452(Top 214%)
23M23.00 mi1.25 mi23208+559526+209526+2022043(Top 83%)9098(Top 80%)9098(Top 186%)
24M24.00 mi1.00 mi23170+389517+99517+922496(Top 85%)9366(Top 82%)9366(Top 192%)
40K24.85 mi0.85 mi23089+819487+309487+3021336(Top 80%)8801(Top 77%)8801(Top 180%)
25.2M25.20 mi0.35 mi23126-379511-249511-2424462(Top 92%)10411(Top 91%)10411(Top 213%)
Finish26.22 mi1.02 mi23093+339495+169495+1622536(Top 85%)9411(Top 82%)9411(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21518

Females

8513

F18-39

8513

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21230

Females

8406

F18-39

8406

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21518

Females

8513

F18-39

8513

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22793

Females

9243

F18-39

9243

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22889

Females

9299

F18-39

9299

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23188

Females

9485

F18-39

9485

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24731

Females

10415

F18-39

10415

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24151

Females

10155

F18-39

10155

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24798

Females

10501

F18-39

10501

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24605

Females

10452

F18-39

10452

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

22043

Females

9098

F18-39

9098

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22496

Females

9366

F18-39

9366

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21336

Females

8801

F18-39

8801

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24462

Females

10411

F18-39

10411

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22536

Females

9411

F18-39

9411

Passing Analysis

Category:
Athletes Passed
1105
Passed By
2150
Net Change
-1045
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22048
5K → 10K483121+362#22048#21686
10K → 15K192133+59#21686#21627
15K → 20K45352-307#21627#21934
20K → Half1268-56#21934#21990
Half → 25K36322-286#21990#22276
25K → 30K12666-654#22276#22930
30K → 20M34156-122#22930#23052
20M → 21M9167-158#23052#23210
21M → 35K1871-53#23210#23263
35K → 23M6813+55#23263#23208
23M → 24M5315+38#23208#23170
24M → 40K898+81#23170#23089
40K → 25.2M441-37#23089#23126
25.2M → Finish5017+33#23126#23093
TOTALS11052150-1045
📊

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