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BOSTON MARATHON 2023

Anne-Sofie Geelan

Bib: 17320•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 17%
Division (F18-39)
#0 / 4884
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #10566
Start → 5K
23:37 | 7:36/mi
10K· 6.21 mi
47:22
Rank: #11122 (-556)
5K → 10K
23:45 | 7:39/mi
15K· 9.32 mi
1:11:18
Rank: #11359 (-237)
10K → 15K
23:56 | 7:42/mi
20K· 12.43 mi
1:35:01
Rank: #11073 (+286)
15K → 20K
23:43 | 7:38/mi
Half· 13.11 mi
1:40:13
Rank: #11078 (-5)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:59:01
Rank: #10998 (+80)
Half → 25K
18:48 | 7:45/mi
30K· 18.64 mi
2:23:29
Rank: #10752 (+246)
25K → 30K
24:28 | 7:53/mi
20M
2:34:15
Rank: #10659 (+93)
30K → 20M
10:46 | 7:55/mi
21M
2:42:21
Rank: #10470 (+189)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:48:09
Rank: #10441 (+29)
21M → 35K
5:48 | 7:45/mi
23M
2:57:52
Rank: #10269 (+172)
35K → 23M
9:43 | 7:46/mi
24M
3:05:13
Rank: #10089 (+180)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
3:11:33
Rank: #9888 (+201)
24M → 40K
6:20 | 7:24/mi
25.2M
3:14:17
Rank: #9803 (+85)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:21:37
Rank: #9627 (+176)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:13
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:41:24
Pace7:44 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0423:377:3623:37
7:36
-
10K
6.21 mi11:37:4947:227:3723:45
7:39
+0:03
15K
9.32 mi12:01:451:11:187:3923:56
7:42
+0:03
20K
12.43 mi12:25:281:35:017:3923:43
7:38
-0:04
Half
13.11 mi12:30:401:40:137:395:12
7:37
-0:01
25K
15.53 mi12:49:281:59:017:4018:48
7:45
+0:08
30K
18.64 mi13:13:562:23:297:4224:28
7:53
+0:08
20M
20.00 mi13:24:422:34:157:4310:46
7:55
+0:02
21M
21.00 mi13:32:482:42:217:448:06
8:06
+0:11
35K
21.75 mi13:38:362:48:097:445:48
7:45
-0:21
23M
23.00 mi13:48:192:57:527:449:43
7:46
+0:01
24M
24.00 mi13:55:403:05:137:437:21
7:21
-0:25
40K
24.85 mi14:02:003:11:337:426:20
7:24
+0:03
25.2M
25.20 mi14:04:443:14:177:432:44
7:56
+0:32
Finish
26.22 mi14:12:043:21:377:427:20
7:12
-0:44

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

7:12 /mi

Average Pace

7:42 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:47

95% of race

Time at Steady Pace

10:50

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi11:14:0423:377:3623:37
7:36
#10566
10K
6.21 mi11:37:4947:227:3723:45
7:39
#11122
15K
9.32 mi12:01:451:11:187:3923:56
7:42
#11359
20K
12.43 mi12:25:281:35:017:3923:43
7:38
#11073
Half
13.11 mi12:30:401:40:137:395:12
7:37
#11078
25K
15.53 mi12:49:281:59:017:4018:48
7:45
#10998
30K
18.64 mi13:13:562:23:297:4224:28
7:53
#10752
20M
20.00 mi13:24:422:34:157:4310:46
7:55
#10659
21M
21.00 mi13:32:482:42:217:448:06
8:06
#10470
35K
21.75 mi13:38:362:48:097:445:48
7:45
#10441
23M
23.00 mi13:48:192:57:527:449:43
7:46
#10269
24M
24.00 mi13:55:403:05:137:437:21
7:21
#10089
40K
24.85 mi14:02:003:11:337:426:20
7:24
#9888
25.2M
25.20 mi14:04:443:14:177:432:44
7:56
#9803
Finish
26.22 mi14:12:043:21:377:427:20
7:12
#9627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi105662118211811869(Top 45%)2826(Top 25%)2826(Top 58%)
10K6.21 mi3.10 mi11122-5562387-2692387-26911742(Top 44%)2718(Top 24%)2718(Top 56%)
15K9.32 mi3.11 mi11359-2372521-1342521-13411869(Top 45%)2826(Top 25%)2826(Top 58%)
20K12.43 mi3.11 mi11073+2862365+1562365+15610367(Top 39%)2076(Top 18%)2076(Top 43%)
Half13.11 mi0.68 mi11078-52371-62371-611236(Top 42%)2467(Top 22%)2467(Top 51%)
25K15.53 mi2.42 mi10998+802352+192352+1910737(Top 40%)2350(Top 21%)2350(Top 48%)
30K18.64 mi3.11 mi10752+2462273+792273+799944(Top 37%)2134(Top 19%)2134(Top 44%)
20M20.00 mi1.36 mi10659+932259+142259+149736(Top 37%)2122(Top 19%)2122(Top 43%)
21M21.00 mi1.00 mi10470+1892189+702189+708042(Top 30%)1540(Top 13%)1540(Top 32%)
35K21.75 mi0.75 mi10441+292189218910315(Top 39%)2504(Top 22%)2504(Top 51%)
23M23.00 mi1.25 mi10269+1722129+602129+608175(Top 31%)1665(Top 15%)1665(Top 34%)
24M24.00 mi1.00 mi10089+1802070+592070+596774(Top 25%)1196(Top 10%)1196(Top 24%)
40K24.85 mi0.85 mi9888+2012011+592011+596184(Top 23%)1057(Top 9%)1057(Top 22%)
25.2M25.20 mi0.35 mi9803+851983+281983+286181(Top 23%)1131(Top 10%)1131(Top 23%)
Finish26.22 mi1.02 mi9627+1761928+551928+556444(Top 24%)1222(Top 11%)1222(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11869

Females

2826

F18-39

2826

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11742

Females

2718

F18-39

2718

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11869

Females

2826

F18-39

2826

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10367

Females

2076

F18-39

2076

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11236

Females

2467

F18-39

2467

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10737

Females

2350

F18-39

2350

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9944

Females

2134

F18-39

2134

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9736

Females

2122

F18-39

2122

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8042

Females

1540

F18-39

1540

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10315

Females

2504

F18-39

2504

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8175

Females

1665

F18-39

1665

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6774

Females

1196

F18-39

1196

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6184

Females

1057

F18-39

1057

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6181

Females

1131

F18-39

1131

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6444

Females

1222

F18-39

1222

Passing Analysis

Category:
Athletes Passed
2271*
Passed By
1332
Net Change
+939
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10566
5K → 10K109665-556#10566#11122
10K → 15K112349-237#11122#11359
15K → 20K32640+286#11359#11073
20K → Half2631-5#11073#11078
Half → 25K15171+80#11078#10998
25K → 30K31266+246#10998#10752
30K → 20M129*36+93#10752#10659
20M → 21M19910+189#10659#10470
21M → 35K6233+29#10470#10441
35K → 23M18513+172#10441#10269
23M → 24M1844+180#10269#10089
24M → 40K205*4+201#10089#9888
40K → 25.2M861+85#9888#9803
25.2M → Finish185*9+176#9803#9627
TOTALS2271*1332+939

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing