Boston Marathon logo
BOSTON MARATHON 2023

Terria Clay

Bib: 17145•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

Start
0:00:00
Race begins
5K· 3.11 mi
25:12
Rank: #14812
Start → 5K
25:12 | 8:07/mi
10K· 6.21 mi
50:00
Rank: #14727 (+85)
5K → 10K
24:48 | 7:59/mi
15K· 9.32 mi
1:15:16
Rank: #14952 (-225)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:40:37
Rank: #14841 (+111)
15K → 20K
25:21 | 8:10/mi
Half· 13.11 mi
1:46:10
Rank: #14874 (-33)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:06:21
Rank: #14873 (+1)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:33:31
Rank: #15043 (-170)
25K → 30K
27:10 | 8:45/mi
20M
2:46:01
Rank: #15239 (-196)
30K → 20M
12:30 | 9:12/mi
21M
2:55:48
Rank: #15338 (-99)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
3:02:46
Rank: #15523 (-185)
21M → 35K
6:58 | 9:19/mi
23M
3:18:42
Rank: #16822 (-1299)
35K → 23M
15:56 | 12:44/mi
24M
3:29:09
Rank: #17181 (-359)
23M → 24M
10:27 | 10:27/mi
40K· 24.85 mi
3:39:26
Rank: #17783 (-602)
24M → 40K
10:17 | 12:02/mi
25.2M
3:43:29
Rank: #17900 (-117)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
3:54:28
Rank: #18269 (-369)
25.2M → Finish
10:59 | 10:47/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
Time1:46:10
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time2:08:18
Pace9:47 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4225:128:0725:12
8:07
-
10K
6.21 mi11:40:3050:008:0324:48
7:59
-0:08
15K
9.32 mi12:05:461:15:168:0525:16
8:08
+0:09
20K
12.43 mi12:31:071:40:378:0625:21
8:10
+0:02
Half
13.11 mi12:36:401:46:108:065:33
8:08
-0:02
25K
15.53 mi12:56:512:06:218:0820:11
8:19
+0:11
30K
18.64 mi13:24:012:33:318:1427:10
8:45
+0:26
20M
20.00 mi13:36:312:46:018:1812:30
9:12
+0:27
21M
21.00 mi13:46:182:55:488:229:47
9:47
+0:35
35K
21.75 mi13:53:163:02:468:246:58
9:19
-0:28
23M
23.00 mi14:09:123:18:428:3815:56
12:44
+3:25
24M
24.00 mi14:19:393:29:098:4310:27
10:27
-2:17
40K
24.85 mi14:29:563:39:268:5010:17
12:02
+1:35
25.2M
25.20 mi14:33:593:43:298:524:03
11:45
-0:17
Finish
26.22 mi14:44:583:54:288:5710:59
10:47
-0:58

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

7:59 /mi

Average Pace

8:57 /mi

Slowest Pace

12:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:21

54% of race

Time at Steady Pace

56:25

24% of race

Time at Slower Pace

51:42

22% of race

Average Pace: 8:57 /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 mi11:15:4225:128:0725:12
8:07
#14812
10K
6.21 mi11:40:3050:008:0324:48
7:59
#14727
15K
9.32 mi12:05:461:15:168:0525:16
8:08
#14952
20K
12.43 mi12:31:071:40:378:0625:21
8:10
#14841
Half
13.11 mi12:36:401:46:108:065:33
8:08
#14874
25K
15.53 mi12:56:512:06:218:0820:11
8:19
#14873
30K
18.64 mi13:24:012:33:318:1427:10
8:45
#15043
20M
20.00 mi13:36:312:46:018:1812:30
9:12
#15239
21M
21.00 mi13:46:182:55:488:229:47
9:47
#15338
35K
21.75 mi13:53:163:02:468:246:58
9:19
#15523
23M
23.00 mi14:09:123:18:428:3815:56
12:44
#16822
24M
24.00 mi14:19:393:29:098:4310:27
10:27
#17181
40K
24.85 mi14:29:563:39:268:5010:17
12:02
#17783
25.2M
25.20 mi14:33:593:43:298:524:03
11:45
#17900
Finish
26.22 mi14:44:583:54:288:5710:59
10:47
#18269
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi148124526452615401(Top 58%)4915(Top 43%)4915(Top 101%)
10K6.21 mi3.10 mi14727+854485+414485+4114702(Top 55%)4485(Top 39%)4485(Top 92%)
15K9.32 mi3.11 mi14952-2254633-1484633-14815401(Top 58%)4915(Top 43%)4915(Top 101%)
20K12.43 mi3.11 mi14841+1114581+524581+5214690(Top 55%)4523(Top 40%)4523(Top 93%)
Half13.11 mi0.68 mi14874-334608-274608-2715426(Top 58%)4960(Top 43%)4960(Top 102%)
25K15.53 mi2.42 mi14873+14633-254633-2515123(Top 57%)4928(Top 43%)4928(Top 101%)
30K18.64 mi3.11 mi15043-1704780-1474780-14715761(Top 59%)5363(Top 47%)5363(Top 110%)
20M20.00 mi1.36 mi15239-1964936-1564936-15617567(Top 66%)6495(Top 57%)6495(Top 133%)
21M21.00 mi1.00 mi15338-995017-815017-8117218(Top 65%)6318(Top 55%)6318(Top 129%)
35K21.75 mi0.75 mi15523-1855149-1325149-13219222(Top 72%)7505(Top 66%)7505(Top 154%)
23M23.00 mi1.25 mi16822-12995912-7635912-76324827(Top 93%)10545(Top 92%)10545(Top 216%)
24M24.00 mi1.00 mi17181-3596144-2326144-23221921(Top 82%)9057(Top 79%)9057(Top 185%)
40K24.85 mi0.85 mi17783-6026508-3646508-36423927(Top 90%)10141(Top 89%)10141(Top 208%)
25.2M25.20 mi0.35 mi17900-1176575-676575-6722053(Top 83%)9148(Top 80%)9148(Top 187%)
Finish26.22 mi1.02 mi18269-3696805-2306805-23023575(Top 89%)9941(Top 87%)9941(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15401

Females

4915

F18-39

4915

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14702

Females

4485

F18-39

4485

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15401

Females

4915

F18-39

4915

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14690

Females

4523

F18-39

4523

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15426

Females

4960

F18-39

4960

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15123

Females

4928

F18-39

4928

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15761

Females

5363

F18-39

5363

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17567

Females

6495

F18-39

6495

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17218

Females

6318

F18-39

6318

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19222

Females

7505

F18-39

7505

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24827

Females

10545

F18-39

10545

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21921

Females

9057

F18-39

9057

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23927

Females

10141

F18-39

10141

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22053

Females

9148

F18-39

9148

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23575

Females

9941

F18-39

9941

Passing Analysis

Category:
Athletes Passed
1088
Passed By
4545
Net Change
-3457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14812
5K → 10K332247+85#14812#14727
10K → 15K109334-225#14727#14952
15K → 20K239128+111#14952#14841
20K → Half2255-33#14841#14874
Half → 25K142141+1#14874#14873
25K → 30K112282-170#14873#15043
30K → 20M31227-196#15043#15239
20M → 21M60159-99#15239#15338
21M → 35K15200-185#15338#15523
35K → 23M11300-1299#15523#16822
23M → 24M10369-359#16822#17181
24M → 40K4606-602#17181#17783
40K → 25.2M5122-117#17783#17900
25.2M → Finish6375-369#17900#18269
TOTALS10884545-3457
📊

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