Boston Marathon logo
BOSTON MARATHON 2023

Carmen Fahlen

Bib: 15313•F

RI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:27
Rank: #13000
Start → 5K
24:27 | 7:52/mi
10K· 6.21 mi
48:49
Rank: #13237 (-237)
5K → 10K
24:22 | 7:51/mi
15K· 9.32 mi
1:12:51
Rank: #12837 (+400)
10K → 15K
24:02 | 7:44/mi
20K· 12.43 mi
1:36:58
Rank: #12428 (+409)
15K → 20K
24:07 | 7:46/mi
Half· 13.11 mi
1:42:10
Rank: #12348 (+80)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
2:01:18
Rank: #12255 (+93)
Half → 25K
19:08 | 7:53/mi
30K· 18.64 mi
2:25:54
Rank: #11834 (+421)
25K → 30K
24:36 | 7:55/mi
20M
2:36:51
Rank: #11730 (+104)
30K → 20M
10:57 | 8:03/mi
21M
2:45:06
Rank: #11531 (+199)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:50:45
Rank: #11401 (+130)
21M → 35K
5:39 | 7:33/mi
23M
3:00:32
Rank: #11203 (+198)
35K → 23M
9:47 | 7:49/mi
24M
3:07:32
Rank: #10847 (+356)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
3:13:40
Rank: #10561 (+286)
24M → 40K
6:08 | 7:10/mi
25.2M
3:16:18
Rank: #10450 (+111)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:23:30
Rank: #10200 (+250)
25.2M → Finish
7:12 | 7:04/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
Time1:42:10
Pace7:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:20
Pace7:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0724:277:5224:27
7:52
-
10K
6.21 mi11:39:2948:497:5124:22
7:51
-0:01
15K
9.32 mi12:03:311:12:517:4924:02
7:44
-0:07
20K
12.43 mi12:27:381:36:587:4824:07
7:46
+0:02
Half
13.11 mi12:32:501:42:107:485:12
7:37
-0:09
25K
15.53 mi12:51:582:01:187:4919:08
7:53
+0:16
30K
18.64 mi13:16:342:25:547:5024:36
7:55
+0:02
20M
20.00 mi13:27:312:36:517:5110:57
8:03
+0:08
21M
21.00 mi13:35:462:45:067:528:15
8:15
+0:12
35K
21.75 mi13:41:252:50:457:515:39
7:33
-0:42
23M
23.00 mi13:51:123:00:327:519:47
7:49
+0:16
24M
24.00 mi13:58:123:07:327:497:00
7:00
-0:49
40K
24.85 mi14:04:203:13:407:486:08
7:10
+0:10
25.2M
25.20 mi14:06:583:16:187:472:38
7:38
+0:28
Finish
26.22 mi14:14:103:23:307:467:12
7:04
-0:34

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

7:00 /mi

Average Pace

7:46 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:49

17% of race

Time at Steady Pace

2:49:41

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi11:15:0724:277:5224:27
7:52
#13000
10K
6.21 mi11:39:2948:497:5124:22
7:51
#13237
15K
9.32 mi12:03:311:12:517:4924:02
7:44
#12837
20K
12.43 mi12:27:381:36:587:4824:07
7:46
#12428
Half
13.11 mi12:32:501:42:107:485:12
7:37
#12348
25K
15.53 mi12:51:582:01:187:4919:08
7:53
#12255
30K
18.64 mi13:16:342:25:547:5024:36
7:55
#11834
20M
20.00 mi13:27:312:36:517:5110:57
8:03
#11730
21M
21.00 mi13:35:462:45:067:528:15
8:15
#11531
35K
21.75 mi13:41:252:50:457:515:39
7:33
#11401
23M
23.00 mi13:51:123:00:327:519:47
7:49
#11203
24M
24.00 mi13:58:123:07:327:497:00
7:00
#10847
40K
24.85 mi14:04:203:13:407:486:08
7:10
#10561
25.2M
25.20 mi14:06:583:16:187:472:38
7:38
#10450
Finish
26.22 mi14:14:103:23:307:467:12
7:04
#10200
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130003433343312162(Top 46%)2984(Top 26%)2984(Top 61%)
10K6.21 mi3.10 mi13237-2373584-1513584-15113487(Top 51%)3711(Top 32%)3711(Top 76%)
15K9.32 mi3.11 mi12837+4003354+2303354+23012162(Top 46%)2984(Top 26%)2984(Top 61%)
20K12.43 mi3.11 mi12428+4093163+1913163+19111418(Top 43%)2639(Top 23%)2639(Top 54%)
Half13.11 mi0.68 mi12348+803117+463117+4611252(Top 42%)2483(Top 22%)2483(Top 51%)
25K15.53 mi2.42 mi12255+933086+313086+3111852(Top 45%)2984(Top 26%)2984(Top 61%)
30K18.64 mi3.11 mi11834+4212883+2032883+20310283(Top 39%)2295(Top 20%)2295(Top 47%)
20M20.00 mi1.36 mi11730+1042842+412842+4110720(Top 40%)2588(Top 23%)2588(Top 53%)
21M21.00 mi1.00 mi11531+1992750+922750+928938(Top 34%)1900(Top 17%)1900(Top 39%)
35K21.75 mi0.75 mi11401+1302689+612689+618980(Top 34%)1917(Top 17%)1917(Top 39%)
23M23.00 mi1.25 mi11203+1982604+852604+858540(Top 32%)1815(Top 16%)1815(Top 37%)
24M24.00 mi1.00 mi10847+3562450+1542450+1544716(Top 18%)504(Top 4%)504(Top 10%)
40K24.85 mi0.85 mi10561+2862342+1082342+1084791(Top 18%)595(Top 5%)595(Top 12%)
25.2M25.20 mi0.35 mi10450+1112296+462296+464665(Top 18%)637(Top 6%)637(Top 13%)
Finish26.22 mi1.02 mi10200+2502195+1012195+1015653(Top 21%)966(Top 8%)966(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12162

Females

2984

F18-39

2984

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13487

Females

3711

F18-39

3711

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12162

Females

2984

F18-39

2984

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11418

Females

2639

F18-39

2639

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11252

Females

2483

F18-39

2483

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11852

Females

2984

F18-39

2984

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10283

Females

2295

F18-39

2295

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10720

Females

2588

F18-39

2588

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8938

Females

1900

F18-39

1900

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8980

Females

1917

F18-39

1917

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8540

Females

1815

F18-39

1815

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4716

Females

504

F18-39

504

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4791

Females

595

F18-39

595

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4665

Females

637

F18-39

637

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5653

Females

966

F18-39

966

Passing Analysis

Category:
Athletes Passed
3515
Passed By
715
Net Change
+2800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13000
5K → 10K200437-237#13000#13237
10K → 15K45757+400#13237#12837
15K → 20K44132+409#12837#12428
20K → Half844+80#12428#12348
Half → 25K16673+93#12348#12255
25K → 30K45332+421#12255#11834
30K → 20M14945+104#11834#11730
20M → 21M2089+199#11730#11531
21M → 35K1377+130#11531#11401
35K → 23M21416+198#11401#11203
23M → 24M3560+356#11203#10847
24M → 40K2871+286#10847#10561
40K → 25.2M1110+111#10561#10450
25.2M → Finish2522+250#10450#10200
TOTALS3515715+2800
📊

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