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BOSTON MARATHON 2023

Anicia Tellefsen

Bib: 12235•F

SC

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:49
Rank: #18430
Start → 5K
26:49 | 8:38/mi
10K· 6.21 mi
53:48
Rank: #18862 (-432)
5K → 10K
26:59 | 8:41/mi
15K· 9.32 mi
1:20:21
Rank: #18596 (+266)
10K → 15K
26:33 | 8:33/mi
20K· 12.43 mi
1:46:55
Rank: #18226 (+370)
15K → 20K
26:34 | 8:33/mi
Half· 13.11 mi
1:52:44
Rank: #18209 (+17)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:13:23
Rank: #17863 (+346)
Half → 25K
20:39 | 8:31/mi
30K· 18.64 mi
2:40:34
Rank: #17450 (+413)
25K → 30K
27:11 | 8:45/mi
20M
2:52:25
Rank: #17255 (+195)
30K → 20M
11:51 | 8:43/mi
21M
3:01:28
Rank: #17037 (+218)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
3:07:56
Rank: #17005 (+32)
21M → 35K
6:28 | 8:39/mi
23M
3:19:46
Rank: #17083 (-78)
35K → 23M
11:50 | 9:27/mi
24M
3:28:17
Rank: #16970 (+113)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:35:44
Rank: #16885 (+85)
24M → 40K
7:27 | 8:43/mi
25.2M
3:38:57
Rank: #16834 (+51)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:47:31
Rank: #16753 (+81)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:44
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time1:54:47
Pace8:45 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4726:498:3826:49
8:38
-
10K
6.21 mi11:44:4653:488:3926:59
8:41
+0:03
15K
9.32 mi12:11:191:20:218:3726:33
8:33
-0:08
20K
12.43 mi12:37:531:46:558:3626:34
8:33
0:00
Half
13.11 mi12:43:421:52:448:365:49
8:32
-0:01
25K
15.53 mi13:04:212:13:238:3520:39
8:31
-0:01
30K
18.64 mi13:31:322:40:348:3727:11
8:45
+0:14
20M
20.00 mi13:43:232:52:258:3711:51
8:43
-0:02
21M
21.00 mi13:52:263:01:288:389:03
9:03
+0:20
35K
21.75 mi13:58:543:07:568:386:28
8:39
-0:24
23M
23.00 mi14:10:443:19:468:4111:50
9:27
+0:48
24M
24.00 mi14:19:153:28:178:418:31
8:31
-0:56
40K
24.85 mi14:26:423:35:448:417:27
8:43
+0:12
25.2M
25.20 mi14:29:553:38:578:413:13
9:20
+0:37
Finish
26.22 mi14:38:293:47:318:418:34
8:24
-0:56

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

8:24 /mi

Average Pace

8:41 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:28

93% of race

Time at Steady Pace

15:03

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi11:17:4726:498:3826:49
8:38
#18430
10K
6.21 mi11:44:4653:488:3926:59
8:41
#18862
15K
9.32 mi12:11:191:20:218:3726:33
8:33
#18596
20K
12.43 mi12:37:531:46:558:3626:34
8:33
#18226
Half
13.11 mi12:43:421:52:448:365:49
8:32
#18209
25K
15.53 mi13:04:212:13:238:3520:39
8:31
#17863
30K
18.64 mi13:31:322:40:348:3727:11
8:45
#17450
20M
20.00 mi13:43:232:52:258:3711:51
8:43
#17255
21M
21.00 mi13:52:263:01:288:389:03
9:03
#17037
35K
21.75 mi13:58:543:07:568:386:28
8:39
#17005
23M
23.00 mi14:10:443:19:468:4111:50
9:27
#17083
24M
24.00 mi14:19:153:28:178:418:31
8:31
#16970
40K
24.85 mi14:26:423:35:448:417:27
8:43
#16885
25.2M
25.20 mi14:29:553:38:578:413:13
9:20
#16834
Finish
26.22 mi14:38:293:47:318:418:34
8:24
#16753
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi184306831683118119(Top 68%)6567(Top 57%)6567(Top 134%)
10K6.21 mi3.10 mi18862-4327049-2187049-21819338(Top 73%)7284(Top 64%)7284(Top 149%)
15K9.32 mi3.11 mi18596+2666877+1726877+17218119(Top 68%)6567(Top 57%)6567(Top 134%)
20K12.43 mi3.11 mi18226+3706645+2326645+23217187(Top 65%)6041(Top 53%)6041(Top 124%)
Half13.11 mi0.68 mi18209+176639+66639+617863(Top 67%)6392(Top 56%)6392(Top 131%)
25K15.53 mi2.42 mi17863+3466454+1856454+18516320(Top 61%)5627(Top 49%)5627(Top 115%)
30K18.64 mi3.11 mi17450+4136225+2296225+22915790(Top 59%)5381(Top 47%)5381(Top 110%)
20M20.00 mi1.36 mi17255+1956131+946131+9415027(Top 56%)5016(Top 44%)5016(Top 103%)
21M21.00 mi1.00 mi17037+2186012+1196012+11913736(Top 52%)4360(Top 38%)4360(Top 89%)
35K21.75 mi0.75 mi17005+325999+135999+1316137(Top 61%)5776(Top 51%)5776(Top 118%)
23M23.00 mi1.25 mi17083-786068-696068-6918141(Top 68%)6942(Top 61%)6942(Top 142%)
24M24.00 mi1.00 mi16970+1136027+416027+4114605(Top 55%)5027(Top 44%)5027(Top 103%)
40K24.85 mi0.85 mi16885+855993+345993+3414644(Top 55%)5118(Top 45%)5118(Top 105%)
25.2M25.20 mi0.35 mi16834+515964+295964+2914417(Top 54%)4987(Top 44%)4987(Top 102%)
Finish26.22 mi1.02 mi16753+815934+305934+3014821(Top 56%)5170(Top 45%)5170(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18119

Females

6567

F18-39

6567

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19338

Females

7284

F18-39

7284

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18119

Females

6567

F18-39

6567

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17187

Females

6041

F18-39

6041

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17863

Females

6392

F18-39

6392

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16320

Females

5627

F18-39

5627

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15790

Females

5381

F18-39

5381

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15027

Females

5016

F18-39

5016

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13736

Females

4360

F18-39

4360

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16137

Females

5776

F18-39

5776

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18141

Females

6942

F18-39

6942

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14605

Females

5027

F18-39

5027

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14644

Females

5118

F18-39

5118

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14417

Females

4987

F18-39

4987

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14821

Females

5170

F18-39

5170

Passing Analysis

Category:
Athletes Passed
2688
Passed By
1011
Net Change
+1677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18430
5K → 10K159591-432#18430#18862
10K → 15K35185+266#18862#18596
15K → 20K39626+370#18596#18226
20K → Half3821+17#18226#18209
Half → 25K35812+346#18209#17863
25K → 30K43320+413#17863#17450
30K → 20M20611+195#17450#17255
20M → 21M2224+218#17255#17037
21M → 35K7139+32#17037#17005
35K → 23M60138-78#17005#17083
23M → 24M12411+113#17083#16970
24M → 40K10116+85#16970#16885
40K → 25.2M587+51#16885#16834
25.2M → Finish11130+81#16834#16753
TOTALS26881011+1677
📊

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