Boston Marathon logo
BOSTON MARATHON 2023

Tanya Martin

Bib: 16335•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F40-44)
#0 / 1878
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #8274
Start → 5K
22:45 | 7:19/mi
10K· 6.21 mi
45:23
Rank: #8477 (-203)
5K → 10K
22:38 | 7:17/mi
15K· 9.32 mi
1:08:18
Rank: #8678 (-201)
10K → 15K
22:55 | 7:23/mi
20K· 12.43 mi
1:32:03
Rank: #9057 (-379)
15K → 20K
23:45 | 7:39/mi
Half· 13.11 mi
1:37:01
Rank: #9025 (+32)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:55:45
Rank: #9240 (-215)
Half → 25K
18:44 | 7:44/mi
30K· 18.64 mi
2:20:32
Rank: #9486 (-246)
25K → 30K
24:47 | 7:59/mi
20M
2:31:27
Rank: #9545 (-59)
30K → 20M
10:55 | 8:02/mi
21M
2:40:13
Rank: #9671 (-126)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:46:15
Rank: #9745 (-74)
21M → 35K
6:02 | 8:04/mi
23M
2:56:41
Rank: #9867 (-122)
35K → 23M
10:26 | 8:20/mi
24M
3:04:51
Rank: #9956 (-89)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:11:43
Rank: #9950 (+6)
24M → 40K
6:52 | 8:02/mi
25.2M
3:14:40
Rank: #9924 (+26)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:22:32
Rank: #9896 (+28)
25.2M → Finish
7:52 | 7:43/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
Time1:37:01
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:5222:457:1922:45
7:19
-
10K
6.21 mi11:35:3045:237:1822:38
7:17
-0:02
15K
9.32 mi11:58:251:08:187:2022:55
7:23
+0:06
20K
12.43 mi12:22:101:32:037:2423:45
7:39
+0:16
Half
13.11 mi12:27:081:37:017:244:58
7:17
-0:22
25K
15.53 mi12:45:521:55:457:2718:44
7:44
+0:27
30K
18.64 mi13:10:392:20:327:3224:47
7:59
+0:15
20M
20.00 mi13:21:342:31:277:3410:55
8:02
+0:03
21M
21.00 mi13:30:202:40:137:388:46
8:46
+0:44
35K
21.75 mi13:36:222:46:157:396:02
8:04
-0:42
23M
23.00 mi13:46:482:56:417:4110:26
8:20
+0:16
24M
24.00 mi13:54:583:04:517:428:10
8:10
-0:10
40K
24.85 mi14:01:503:11:437:436:52
8:02
-0:08
25.2M
25.20 mi14:04:473:14:407:432:57
8:33
+0:31
Finish
26.22 mi14:12:393:22:327:447:52
7:43
-0:50

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

7:17 /mi

Average Pace

7:44 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:37

61% of race

Time at Steady Pace

56:46

28% of race

Time at Slower Pace

22:09

11% of race

Average Pace: 7:43 /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 mi11:12:5222:457:1922:45
7:19
#8274
10K
6.21 mi11:35:3045:237:1822:38
7:17
#8477
15K
9.32 mi11:58:251:08:187:2022:55
7:23
#8678
20K
12.43 mi12:22:101:32:037:2423:45
7:39
#9057
Half
13.11 mi12:27:081:37:017:244:58
7:17
#9025
25K
15.53 mi12:45:521:55:457:2718:44
7:44
#9240
30K
18.64 mi13:10:392:20:327:3224:47
7:59
#9486
20M
20.00 mi13:21:342:31:277:3410:55
8:02
#9545
21M
21.00 mi13:30:202:40:137:388:46
8:46
#9671
35K
21.75 mi13:36:222:46:157:396:02
8:04
#9745
23M
23.00 mi13:46:482:56:417:4110:26
8:20
#9867
24M
24.00 mi13:54:583:04:517:428:10
8:10
#9956
40K
24.85 mi14:01:503:11:437:436:52
8:02
#9950
25.2M
25.20 mi14:04:473:14:407:432:57
8:33
#9924
Finish
26.22 mi14:12:393:22:327:447:52
7:43
#9896
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8274111911199157(Top 34%)1509(Top 13%)1509(Top 80%)
10K6.21 mi3.10 mi8477-2031209-901209-908775(Top 33%)1329(Top 12%)1329(Top 71%)
15K9.32 mi3.11 mi8678-2011293-841293-849157(Top 34%)1509(Top 13%)1509(Top 80%)
20K12.43 mi3.11 mi9057-3791462-1691462-16910471(Top 39%)2129(Top 19%)2129(Top 113%)
Half13.11 mi0.68 mi9025+321455+71455+78538(Top 32%)1317(Top 12%)1317(Top 70%)
25K15.53 mi2.42 mi9240-2151543-881543-8810508(Top 39%)2231(Top 20%)2231(Top 119%)
30K18.64 mi3.11 mi9486-2461683-1401683-14010707(Top 40%)2492(Top 22%)2492(Top 133%)
20M20.00 mi1.36 mi9545-591725-421725-4210524(Top 40%)2491(Top 22%)2491(Top 133%)
21M21.00 mi1.00 mi9671-1261793-681793-6812067(Top 45%)3429(Top 30%)3429(Top 183%)
35K21.75 mi0.75 mi9745-741843-501843-5012577(Top 47%)3738(Top 33%)3738(Top 199%)
23M23.00 mi1.25 mi9867-1221934-911934-9112127(Top 46%)3577(Top 31%)3577(Top 190%)
24M24.00 mi1.00 mi9956-892010-762010-7612382(Top 47%)3779(Top 33%)3779(Top 201%)
40K24.85 mi0.85 mi9950+62039-292039-2910270(Top 39%)2781(Top 24%)2781(Top 148%)
25.2M25.20 mi0.35 mi9924+262041-22041-29913(Top 37%)2629(Top 23%)2629(Top 140%)
Finish26.22 mi1.02 mi9896+282046-52046-510116(Top 38%)2747(Top 24%)2747(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9157

Females

1509

F40-44

1509

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8775

Females

1329

F40-44

1329

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9157

Females

1509

F40-44

1509

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10471

Females

2129

F40-44

2129

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8538

Females

1317

F40-44

1317

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10508

Females

2231

F40-44

2231

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10707

Females

2492

F40-44

2492

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10524

Females

2491

F40-44

2491

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12067

Females

3429

F40-44

3429

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12577

Females

3738

F40-44

3738

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12127

Females

3577

F40-44

3577

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12382

Females

3779

F40-44

3779

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10270

Females

2781

F40-44

2781

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9913

Females

2629

F40-44

2629

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10116

Females

2747

F40-44

2747

Passing Analysis

Category:
Athletes Passed
912*
Passed By
2533
Net Change
-1622
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8274
5K → 10K146349-203#8274#8477
10K → 15K82283-201#8477#8678
15K → 20K42421-379#8678#9057
20K → Half4513+32#9057#9025
Half → 25K59274-215#9025#9240
25K → 30K107353-246#9240#9486
30K → 20M63122-59#9486#9545
20M → 21M44170-126#9545#9671
21M → 35K2094-74#9671#9745
35K → 23M57179-122#9745#9867
23M → 24M46134-89#9867#9956
24M → 40K6761+6#9956#9950
40K → 25.2M4519+26#9950#9924
25.2M → Finish89*61+28#9924#9896
TOTALS912*2533-1622

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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