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BOSTON MARATHON 2023

Sigurbjorg Ingolfsdottir

Bib: 17971•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
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
25:21
Rank: #15152
Start → 5K
25:21 | 8:10/mi
10K· 6.21 mi
50:24
Rank: #15198 (-46)
5K → 10K
25:03 | 8:04/mi
15K· 9.32 mi
1:15:27
Rank: #15094 (+104)
10K → 15K
25:03 | 8:04/mi
20K· 12.43 mi
1:41:49
Rank: #15527 (-433)
15K → 20K
26:22 | 8:29/mi
Half· 13.11 mi
1:47:13
Rank: #15443 (+84)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:07:16
Rank: #15300 (+143)
Half → 25K
20:03 | 8:16/mi
30K· 18.64 mi
2:33:47
Rank: #15123 (+177)
25K → 30K
26:31 | 8:32/mi
20M
2:45:31
Rank: #15068 (+55)
30K → 20M
11:44 | 8:38/mi
21M
2:54:27
Rank: #14931 (+137)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
3:00:30
Rank: #14843 (+88)
21M → 35K
6:03 | 8:05/mi
23M
3:11:03
Rank: #14718 (+125)
35K → 23M
10:33 | 8:26/mi
24M
3:19:05
Rank: #14543 (+175)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:26:16
Rank: #14469 (+74)
24M → 40K
7:11 | 8:24/mi
25.2M
3:29:11
Rank: #14380 (+89)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:37:00
Rank: #14195 (+185)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:49:47
Pace8:22 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4225:218:1025:21
8:10
-
10K
6.21 mi11:45:4550:248:0725:03
8:04
-0:06
15K
9.32 mi12:10:481:15:278:0625:03
8:04
0:00
20K
12.43 mi12:37:101:41:498:1226:22
8:29
+0:25
Half
13.11 mi12:42:341:47:138:115:24
7:55
-0:34
25K
15.53 mi13:02:372:07:168:1220:03
8:16
+0:21
30K
18.64 mi13:29:082:33:478:1526:31
8:32
+0:16
20M
20.00 mi13:40:522:45:318:1711:44
8:38
+0:06
21M
21.00 mi13:49:482:54:278:188:56
8:56
+0:18
35K
21.75 mi13:55:513:00:308:186:03
8:05
-0:51
23M
23.00 mi14:06:243:11:038:1810:33
8:26
+0:21
24M
24.00 mi14:14:263:19:058:188:02
8:02
-0:24
40K
24.85 mi14:21:373:26:168:187:11
8:24
+0:22
25.2M
25.20 mi14:24:323:29:118:182:55
8:27
+0:03
Finish
26.22 mi14:32:213:37:008:177:49
7:40
-0:47

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

7:40 /mi

Average Pace

8:17 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:59

60% of race

Time at Steady Pace

1:27:01

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:20:4225:218:1025:21
8:10
#15152
10K
6.21 mi11:45:4550:248:0725:03
8:04
#15198
15K
9.32 mi12:10:481:15:278:0625:03
8:04
#15094
20K
12.43 mi12:37:101:41:498:1226:22
8:29
#15527
Half
13.11 mi12:42:341:47:138:115:24
7:55
#15443
25K
15.53 mi13:02:372:07:168:1220:03
8:16
#15300
30K
18.64 mi13:29:082:33:478:1526:31
8:32
#15123
20M
20.00 mi13:40:522:45:318:1711:44
8:38
#15068
21M
21.00 mi13:49:482:54:278:188:56
8:56
#14931
35K
21.75 mi13:55:513:00:308:186:03
8:05
#14843
23M
23.00 mi14:06:243:11:038:1810:33
8:26
#14718
24M
24.00 mi14:14:263:19:058:188:02
8:02
#14543
40K
24.85 mi14:21:373:26:168:187:11
8:24
#14469
25.2M
25.20 mi14:24:323:29:118:182:55
8:27
#14380
Finish
26.22 mi14:32:213:37:008:177:49
7:40
#14195
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi151524742474214919(Top 56%)4632(Top 41%)4632(Top 95%)
10K6.21 mi3.10 mi15198-464768-264768-2615271(Top 57%)4840(Top 42%)4840(Top 99%)
15K9.32 mi3.11 mi15094+1044723+454723+4514919(Top 56%)4632(Top 41%)4632(Top 95%)
20K12.43 mi3.11 mi15527-4335006-2835006-28316768(Top 63%)5794(Top 51%)5794(Top 119%)
Half13.11 mi0.68 mi15443+844963+434963+4313777(Top 52%)3964(Top 35%)3964(Top 81%)
25K15.53 mi2.42 mi15300+1434895+684895+6814738(Top 55%)4667(Top 41%)4667(Top 96%)
30K18.64 mi3.11 mi15123+1774837+584837+5814528(Top 55%)4640(Top 41%)4640(Top 95%)
20M20.00 mi1.36 mi15068+554816+214816+2114496(Top 54%)4698(Top 41%)4698(Top 96%)
21M21.00 mi1.00 mi14931+1374749+674749+6713056(Top 49%)3977(Top 35%)3977(Top 81%)
35K21.75 mi0.75 mi14843+884711+384711+3812754(Top 48%)3861(Top 34%)3861(Top 79%)
23M23.00 mi1.25 mi14718+1254665+464665+4612779(Top 48%)3958(Top 35%)3958(Top 81%)
24M24.00 mi1.00 mi14543+1754577+884577+8811521(Top 43%)3352(Top 29%)3352(Top 69%)
40K24.85 mi0.85 mi14469+744559+184559+1812748(Top 48%)4086(Top 36%)4086(Top 84%)
25.2M25.20 mi0.35 mi14380+894513+464513+469388(Top 35%)2447(Top 21%)2447(Top 50%)
Finish26.22 mi1.02 mi14195+1854422+914422+919825(Top 37%)2630(Top 23%)2630(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14919

Females

4632

F18-39

4632

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15271

Females

4840

F18-39

4840

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14919

Females

4632

F18-39

4632

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16768

Females

5794

F18-39

5794

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13777

Females

3964

F18-39

3964

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14738

Females

4667

F18-39

4667

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14528

Females

4640

F18-39

4640

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14496

Females

4698

F18-39

4698

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13056

Females

3977

F18-39

3977

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12754

Females

3861

F18-39

3861

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12779

Females

3958

F18-39

3958

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11521

Females

3352

F18-39

3352

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12748

Females

4086

F18-39

4086

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9388

Females

2447

F18-39

2447

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9825

Females

2630

F18-39

2630

Passing Analysis

Category:
Athletes Passed
2218
Passed By
1261
Net Change
+957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15152
5K → 10K273319-46#15152#15198
10K → 15K232128+104#15198#15094
15K → 20K72505-433#15094#15527
20K → Half884+84#15527#15443
Half → 25K20461+143#15443#15300
25K → 30K27093+177#15300#15123
30K → 20M10651+55#15123#15068
20M → 21M15821+137#15068#14931
21M → 35K9810+88#14931#14843
35K → 23M15429+125#14843#14718
23M → 24M1805+175#14718#14543
24M → 40K10127+74#14543#14469
40K → 25.2M901+89#14469#14380
25.2M → Finish1927+185#14380#14195
TOTALS22181261+957
📊

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