Boston Marathon logo
BOSTON MARATHON 2023

Kris Rehm

Bib: 7698•F

TN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F50-54)
#0 / 1207
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:15
Rank: #12391
Start → 5K
24:15 | 7:48/mi
10K· 6.21 mi
48:20
Rank: #12519 (-128)
5K → 10K
24:05 | 7:45/mi
15K· 9.32 mi
1:12:25
Rank: #12395 (+124)
10K → 15K
24:05 | 7:45/mi
20K· 12.43 mi
1:36:33
Rank: #12117 (+278)
15K → 20K
24:08 | 7:46/mi
Half· 13.11 mi
1:41:47
Rank: #12089 (+28)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:00:33
Rank: #11808 (+281)
Half → 25K
18:46 | 7:44/mi
30K· 18.64 mi
2:24:41
Rank: #11263 (+545)
25K → 30K
24:08 | 7:46/mi
20M
2:35:10
Rank: #11002 (+261)
30K → 20M
10:29 | 7:43/mi
21M
2:43:14
Rank: #10799 (+203)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:48:42
Rank: #10628 (+171)
21M → 35K
5:28 | 7:18/mi
23M
2:58:13
Rank: #10389 (+239)
35K → 23M
9:31 | 7:36/mi
24M
3:05:40
Rank: #10234 (+155)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
3:12:07
Rank: #10072 (+162)
24M → 40K
6:27 | 7:33/mi
25.2M
3:15:00
Rank: #10030 (+42)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:23:10
Rank: #10088 (-58)
25.2M → Finish
8:10 | 8:01/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 Half⚖️ Balanced
Distance13.11 mi
Time1:41:47
Pace7:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:23
Pace7:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:2524:157:4824:15
7:48
-
10K
6.21 mi10:53:3048:207:4724:05
7:45
-0:03
15K
9.32 mi11:17:351:12:257:4624:05
7:45
0:00
20K
12.43 mi11:41:431:36:337:4624:08
7:46
+0:01
Half
13.11 mi11:46:571:41:477:465:14
7:40
-0:06
25K
15.53 mi12:05:432:00:337:4618:46
7:44
+0:04
30K
18.64 mi12:29:512:24:417:4624:08
7:46
+0:02
20M
20.00 mi12:40:202:35:107:4510:29
7:43
-0:03
21M
21.00 mi12:48:242:43:147:468:04
8:04
+0:21
35K
21.75 mi12:53:522:48:427:455:28
7:18
-0:46
23M
23.00 mi13:03:232:58:137:459:31
7:36
+0:18
24M
24.00 mi13:10:503:05:407:447:27
7:27
-0:09
40K
24.85 mi13:17:173:12:077:446:27
7:33
+0:06
25.2M
25.20 mi13:20:103:15:007:442:53
8:22
+0:49
Finish
26.22 mi13:28:203:23:107:458:10
8:01
-0:21

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

7:18 /mi

Average Pace

7:45 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:13

95% of race

Time at Steady Pace

10:57

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:29:2524:157:4824:15
7:48
#12391
10K
6.21 mi10:53:3048:207:4724:05
7:45
#12519
15K
9.32 mi11:17:351:12:257:4624:05
7:45
#12395
20K
12.43 mi11:41:431:36:337:4624:08
7:46
#12117
Half
13.11 mi11:46:571:41:477:465:14
7:40
#12089
25K
15.53 mi12:05:432:00:337:4618:46
7:44
#11808
30K
18.64 mi12:29:512:24:417:4624:08
7:46
#11263
20M
20.00 mi12:40:202:35:107:4510:29
7:43
#11002
21M
21.00 mi12:48:242:43:147:468:04
8:04
#10799
35K
21.75 mi12:53:522:48:427:455:28
7:18
#10628
23M
23.00 mi13:03:232:58:137:459:31
7:36
#10389
24M
24.00 mi13:10:503:05:407:447:27
7:27
#10234
40K
24.85 mi13:17:173:12:077:446:27
7:33
#10072
25.2M
25.20 mi13:20:103:15:007:442:53
8:22
#10030
Finish
26.22 mi13:28:203:23:107:458:10
8:01
#10088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi123913090309012311(Top 46%)3078(Top 27%)3078(Top 255%)
10K6.21 mi3.10 mi12519-1283167-773167-7712699(Top 48%)3252(Top 28%)3252(Top 269%)
15K9.32 mi3.11 mi12395+1243119+483119+4812311(Top 46%)3078(Top 27%)3078(Top 255%)
20K12.43 mi3.11 mi12117+2782985+1342985+13411468(Top 43%)2666(Top 23%)2666(Top 221%)
Half13.11 mi0.68 mi12089+282970+152970+1511640(Top 44%)2684(Top 23%)2684(Top 222%)
25K15.53 mi2.42 mi11808+2812813+1572813+15710629(Top 40%)2299(Top 20%)2299(Top 190%)
30K18.64 mi3.11 mi11263+5452569+2442569+2449130(Top 34%)1768(Top 15%)1768(Top 146%)
20M20.00 mi1.36 mi11002+2612432+1372432+1378329(Top 31%)1533(Top 13%)1533(Top 127%)
21M21.00 mi1.00 mi10799+2032355+772355+777839(Top 29%)1454(Top 13%)1454(Top 120%)
35K21.75 mi0.75 mi10628+1712287+682287+687254(Top 27%)1216(Top 11%)1216(Top 101%)
23M23.00 mi1.25 mi10389+2392191+962191+967135(Top 27%)1232(Top 11%)1232(Top 102%)
24M24.00 mi1.00 mi10234+1552141+502141+507408(Top 28%)1455(Top 13%)1455(Top 121%)
40K24.85 mi0.85 mi10072+1622094+472094+477030(Top 26%)1391(Top 12%)1391(Top 115%)
25.2M25.20 mi0.35 mi10030+422090+42090+48730(Top 33%)2133(Top 19%)2133(Top 177%)
Finish26.22 mi1.02 mi10088-582140-502140-5012234(Top 46%)3818(Top 33%)3818(Top 316%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12311

Females

3078

F50-54

3078

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12699

Females

3252

F50-54

3252

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12311

Females

3078

F50-54

3078

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11468

Females

2666

F50-54

2666

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11640

Females

2684

F50-54

2684

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10629

Females

2299

F50-54

2299

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9130

Females

1768

F50-54

1768

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8329

Females

1533

F50-54

1533

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7839

Females

1454

F50-54

1454

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7254

Females

1216

F50-54

1216

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7135

Females

1232

F50-54

1232

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7408

Females

1455

F50-54

1455

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7030

Females

1391

F50-54

1391

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8730

Females

2133

F50-54

2133

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12234

Females

3818

F50-54

3818

Passing Analysis

Category:
Athletes Passed
3086*
Passed By
783
Net Change
+2303
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12391
5K → 10K257385-128#12391#12519
10K → 15K263139+124#12519#12395
15K → 20K32850+278#12395#12117
20K → Half4315+28#12117#12089
Half → 25K30120+281#12089#11808
25K → 30K55712+545#11808#11263
30K → 20M265*4+261#11263#11002
20M → 21M2129+203#11002#10799
21M → 35K1710+171#10799#10628
35K → 23M2489+239#10628#10389
23M → 24M1627+155#10389#10234
24M → 40K1697+162#10234#10072
40K → 25.2M58*16+42#10072#10030
25.2M → Finish52110-58#10030#10088
TOTALS3086*783+2303

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

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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