Boston Marathon logo
BOSTON MARATHON 2023

Rebecca Eldien

Bib: 16086•F

WI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:08
Rank: #12060
Start → 5K
24:08 | 7:46/mi
10K· 6.21 mi
47:57
Rank: #11971 (+89)
5K → 10K
23:49 | 7:40/mi
15K· 9.32 mi
1:11:35
Rank: #11610 (+361)
10K → 15K
23:38 | 7:36/mi
20K· 12.43 mi
1:35:06
Rank: #11125 (+485)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:40:16
Rank: #11110 (+15)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:58:24
Rank: #10667 (+443)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:21:39
Rank: #9963 (+704)
25K → 30K
23:15 | 7:29/mi
20M
2:31:37
Rank: #9604 (+359)
30K → 20M
9:58 | 7:20/mi
21M
2:39:09
Rank: #9258 (+346)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:44:24
Rank: #9083 (+175)
21M → 35K
5:15 | 7:01/mi
23M
2:52:58
Rank: #8621 (+462)
35K → 23M
8:34 | 6:51/mi
24M
2:59:25
Rank: #8207 (+414)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
3:05:03
Rank: #7895 (+312)
24M → 40K
5:38 | 6:35/mi
25.2M
3:07:34
Rank: #7793 (+102)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
3:14:04
Rank: #7473 (+320)
25.2M → Finish
6:30 | 6:23/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
Distance13.11 mi
Time1:40:16
Pace7:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:48
Pace7:09 /mi
📊Negative Split: 6.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4524:087:4624:08
7:46
-
10K
6.21 mi11:38:3447:577:4323:49
7:40
-0:06
15K
9.32 mi12:02:121:11:357:4123:38
7:36
-0:04
20K
12.43 mi12:25:431:35:067:3923:31
7:34
-0:02
Half
13.11 mi12:30:531:40:167:395:10
7:34
0:00
25K
15.53 mi12:49:011:58:247:3718:08
7:29
-0:05
30K
18.64 mi13:12:162:21:397:3623:15
7:29
0:00
20M
20.00 mi13:22:142:31:377:359:58
7:20
-0:09
21M
21.00 mi13:29:462:39:097:357:32
7:32
+0:12
35K
21.75 mi13:35:012:44:247:345:15
7:01
-0:31
23M
23.00 mi13:43:352:52:587:318:34
6:51
-0:10
24M
24.00 mi13:50:022:59:257:296:27
6:27
-0:24
40K
24.85 mi13:55:403:05:037:275:38
6:35
+0:08
25.2M
25.20 mi13:58:113:07:347:272:31
7:18
+0:43
Finish
26.22 mi14:04:413:14:047:246:30
6:23
-0:55

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

6:23 /mi

Average Pace

7:24 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:24

17% of race

Time at Steady Pace

2:17:32

71% of race

Time at Slower Pace

24:08

12% of race

Average Pace: 7:24 /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 mi11:14:4524:087:4624:08
7:46
#12060
10K
6.21 mi11:38:3447:577:4323:49
7:40
#11971
15K
9.32 mi12:02:121:11:357:4123:38
7:36
#11610
20K
12.43 mi12:25:431:35:067:3923:31
7:34
#11125
Half
13.11 mi12:30:531:40:167:395:10
7:34
#11110
25K
15.53 mi12:49:011:58:247:3718:08
7:29
#10667
30K
18.64 mi13:12:162:21:397:3623:15
7:29
#9963
20M
20.00 mi13:22:142:31:377:359:58
7:20
#9604
21M
21.00 mi13:29:462:39:097:357:32
7:32
#9258
35K
21.75 mi13:35:012:44:247:345:15
7:01
#9083
23M
23.00 mi13:43:352:52:587:318:34
6:51
#8621
24M
24.00 mi13:50:022:59:257:296:27
6:27
#8207
40K
24.85 mi13:55:403:05:037:275:38
6:35
#7895
25.2M
25.20 mi13:58:113:07:347:272:31
7:18
#7793
Finish
26.22 mi14:04:413:14:047:246:30
6:23
#7473
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi120602898289811078(Top 42%)2389(Top 21%)2389(Top 49%)
10K6.21 mi3.10 mi11971+892850+482850+4811936(Top 45%)2823(Top 25%)2823(Top 58%)
15K9.32 mi3.11 mi11610+3612666+1842666+18411078(Top 42%)2389(Top 21%)2389(Top 49%)
20K12.43 mi3.11 mi11125+4852393+2732393+2739849(Top 37%)1840(Top 16%)1840(Top 38%)
Half13.11 mi0.68 mi11110+152391+22391+210829(Top 41%)2258(Top 20%)2258(Top 46%)
25K15.53 mi2.42 mi10667+4432183+2082183+2088625(Top 32%)1389(Top 12%)1389(Top 28%)
30K18.64 mi3.11 mi9963+7041876+3071876+3077122(Top 27%)969(Top 8%)969(Top 20%)
20M20.00 mi1.36 mi9604+3591753+1231753+1235857(Top 22%)672(Top 6%)672(Top 14%)
21M21.00 mi1.00 mi9258+3461637+1161637+1164772(Top 18%)465(Top 4%)465(Top 10%)
35K21.75 mi0.75 mi9083+1751579+581579+585500(Top 21%)630(Top 6%)630(Top 13%)
23M23.00 mi1.25 mi8621+4621416+1631416+1632935(Top 11%)196(Top 2%)196(Top 4%)
24M24.00 mi1.00 mi8207+4141281+1351281+1351918(Top 7%)118(Top 1%)118(Top 2%)
40K24.85 mi0.85 mi7895+3121183+981183+981911(Top 7%)118(Top 1%)118(Top 2%)
25.2M25.20 mi0.35 mi7793+1021156+271156+273041(Top 11%)270(Top 2%)270(Top 6%)
Finish26.22 mi1.02 mi7473+3201068+881068+881961(Top 7%)132(Top 1%)132(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11078

Females

2389

F18-39

2389

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11936

Females

2823

F18-39

2823

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11078

Females

2389

F18-39

2389

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9849

Females

1840

F18-39

1840

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10829

Females

2258

F18-39

2258

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8625

Females

1389

F18-39

1389

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7122

Females

969

F18-39

969

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5857

Females

672

F18-39

672

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4772

Females

465

F18-39

465

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5500

Females

630

F18-39

630

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2935

Females

196

F18-39

196

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1918

Females

118

F18-39

118

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1911

Females

118

F18-39

118

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3041

Females

270

F18-39

270

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1961

Females

132

F18-39

132

Passing Analysis

Category:
Athletes Passed
4934*
Passed By
347
Net Change
+4587
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12060
5K → 10K345256+89#12060#11971
10K → 15K41251+361#11971#11610
15K → 20K50015+485#11610#11125
20K → Half3419+15#11125#11110
Half → 25K4463+443#11110#10667
25K → 30K705*1+704#10667#9963
30K → 20M3590+359#9963#9604
20M → 21M3460+346#9604#9258
21M → 35K1750+175#9258#9083
35K → 23M4620+462#9083#8621
23M → 24M4140+414#8621#8207
24M → 40K3120+312#8207#7895
40K → 25.2M1020+102#7895#7793
25.2M → Finish3222+320#7793#7473
TOTALS4934*347+4587

* 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