Boston Marathon logo
BOSTON MARATHON 2023

Reena Bland

Bib: 21501•F

NC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:10
Rank: #19165
Start → 5K
27:10 | 8:45/mi
10K· 6.21 mi
54:21
Rank: #19389 (-224)
5K → 10K
27:11 | 8:45/mi
15K· 9.32 mi
1:21:36
Rank: #19369 (+20)
10K → 15K
27:15 | 8:46/mi
20K· 12.43 mi
1:50:36
Rank: #19860 (-491)
15K → 20K
29:00 | 9:20/mi
Half· 13.11 mi
1:56:48
Rank: #19898 (-38)
20K → Half
6:12 | 9:05/mi
25K· 15.53 mi
2:20:00
Rank: #20180 (-282)
Half → 25K
23:12 | 9:34/mi
30K· 18.64 mi
2:54:06
Rank: #20966 (-786)
25K → 30K
34:06 | 10:59/mi
20M
3:10:06
Rank: #21295 (-329)
30K → 20M
16:00 | 11:46/mi
21M
3:22:29
Rank: #21477 (-182)
20M → 21M
12:23 | 12:23/mi
35K· 21.75 mi
3:30:31
Rank: #21539 (-62)
21M → 35K
8:02 | 10:44/mi
23M
3:44:03
Rank: #21574 (-35)
35K → 23M
13:32 | 10:49/mi
24M
3:54:36
Rank: #21605 (-31)
23M → 24M
10:33 | 10:33/mi
40K· 24.85 mi
4:03:43
Rank: #21628 (-23)
24M → 40K
9:07 | 10:40/mi
25.2M
4:07:32
Rank: #21605 (+23)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:17:27
Rank: #21573 (+32)
25.2M → Finish
9:55 | 9:44/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
Time1:56:48
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:20:39
Pace10:44 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3427:108:4527:10
8:45
-
10K
6.21 mi11:47:4554:218:4527:11
8:45
0:00
15K
9.32 mi12:15:001:21:368:4527:15
8:46
+0:01
20K
12.43 mi12:44:001:50:368:5429:00
9:20
+0:34
Half
13.11 mi12:50:121:56:488:556:12
9:05
-0:15
25K
15.53 mi13:13:242:20:009:0123:12
9:34
+0:29
30K
18.64 mi13:47:302:54:069:2034:06
10:59
+1:25
20M
20.00 mi14:03:303:10:069:3016:00
11:46
+0:47
21M
21.00 mi14:15:533:22:299:3912:23
12:23
+0:37
35K
21.75 mi14:23:553:30:319:418:02
10:44
-1:39
23M
23.00 mi14:37:273:44:039:4413:32
10:49
+0:05
24M
24.00 mi14:48:003:54:369:4710:33
10:33
-0:16
40K
24.85 mi14:57:074:03:439:489:07
10:40
+0:07
25.2M
25.20 mi15:00:564:07:329:493:49
11:04
+0:24
Finish
26.22 mi15:10:514:17:279:509:55
9:44
-1:20

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

8:45 /mi

Average Pace

9:50 /mi

Slowest Pace

12:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:55

58% of race

Time at Steady Pace

1:19:09

31% of race

Time at Slower Pace

28:23

11% of race

Average Pace: 9:49 /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 mi11:20:3427:108:4527:10
8:45
#19165
10K
6.21 mi11:47:4554:218:4527:11
8:45
#19389
15K
9.32 mi12:15:001:21:368:4527:15
8:46
#19369
20K
12.43 mi12:44:001:50:368:5429:00
9:20
#19860
Half
13.11 mi12:50:121:56:488:556:12
9:05
#19898
25K
15.53 mi13:13:242:20:009:0123:12
9:34
#20180
30K
18.64 mi13:47:302:54:069:2034:06
10:59
#20966
20M
20.00 mi14:03:303:10:069:3016:00
11:46
#21295
21M
21.00 mi14:15:533:22:299:3912:23
12:23
#21477
35K
21.75 mi14:23:553:30:319:418:02
10:44
#21539
23M
23.00 mi14:37:273:44:039:4413:32
10:49
#21574
24M
24.00 mi14:48:003:54:369:4710:33
10:33
#21605
40K
24.85 mi14:57:074:03:439:489:07
10:40
#21628
25.2M
25.20 mi15:00:564:07:329:493:49
11:04
#21605
Finish
26.22 mi15:10:514:17:279:509:55
9:44
#21573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi191657306730619369(Top 73%)7314(Top 64%)7314(Top 403%)
10K6.21 mi3.10 mi19389-2247396-907396-9019693(Top 74%)7509(Top 66%)7509(Top 413%)
15K9.32 mi3.11 mi19369+207368+287368+2819369(Top 73%)7314(Top 64%)7314(Top 403%)
20K12.43 mi3.11 mi19860-4917633-2657633-26521061(Top 79%)8271(Top 72%)8271(Top 455%)
Half13.11 mi0.68 mi19898-387665-327665-3220830(Top 78%)8154(Top 71%)8154(Top 449%)
25K15.53 mi2.42 mi20180-2827807-1427807-14221062(Top 79%)8301(Top 73%)8301(Top 457%)
30K18.64 mi3.11 mi20966-7868263-4568263-45623053(Top 87%)9481(Top 83%)9481(Top 522%)
20M20.00 mi1.36 mi21295-3298463-2008463-20023916(Top 90%)10032(Top 88%)10032(Top 552%)
21M21.00 mi1.00 mi21477-1828567-1048567-10423308(Top 88%)9706(Top 85%)9706(Top 534%)
35K21.75 mi0.75 mi21539-628608-418608-4122816(Top 86%)9492(Top 83%)9492(Top 522%)
23M23.00 mi1.25 mi21574-358644-368644-3621988(Top 83%)9064(Top 79%)9064(Top 499%)
24M24.00 mi1.00 mi21605-318673-298673-2922141(Top 83%)9180(Top 80%)9180(Top 505%)
40K24.85 mi0.85 mi21628-238693-208693-2021635(Top 81%)8958(Top 78%)8958(Top 493%)
25.2M25.20 mi0.35 mi21605+238687+68687+620635(Top 78%)8396(Top 74%)8396(Top 462%)
Finish26.22 mi1.02 mi21573+328678+98678+920924(Top 79%)8516(Top 75%)8516(Top 469%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19369

Females

7314

F45-49

7314

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19693

Females

7509

F45-49

7509

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19369

Females

7314

F45-49

7314

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21061

Females

8271

F45-49

8271

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20830

Females

8154

F45-49

8154

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21062

Females

8301

F45-49

8301

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23053

Females

9481

F45-49

9481

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23916

Females

10032

F45-49

10032

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23308

Females

9706

F45-49

9706

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22816

Females

9492

F45-49

9492

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

21988

Females

9064

F45-49

9064

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22141

Females

9180

F45-49

9180

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21635

Females

8958

F45-49

8958

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20635

Females

8396

F45-49

8396

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

20924

Females

8516

F45-49

8516

Passing Analysis

Category:
Athletes Passed
851
Passed By
3259
Net Change
-2408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19165
5K → 10K235459-224#19165#19389
10K → 15K194174+20#19389#19369
15K → 20K59550-491#19369#19860
20K → Half1957-38#19860#19898
Half → 25K59341-282#19898#20180
25K → 30K23809-786#20180#20966
30K → 20M14343-329#20966#21295
20M → 21M24206-182#21295#21477
21M → 35K1678-62#21477#21539
35K → 23M5186-35#21539#21574
23M → 24M3768-31#21574#21605
24M → 40K2952-23#21605#21628
40K → 25.2M3411+23#21628#21605
25.2M → Finish5725+32#21605#21573
TOTALS8513259-2408
📊

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