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BOSTON MARATHON 2023

Ingeborg Alsgaard

Bib: 29015•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:46
Rank: #23203
Start → 5K
30:46 | 9:54/mi
10K· 6.21 mi
58:46
Rank: #22228 (+975)
5K → 10K
28:00 | 9:01/mi
15K· 9.32 mi
1:28:24
Rank: #22260 (-32)
10K → 15K
29:38 | 9:32/mi
20K· 12.43 mi
1:56:25
Rank: #21712 (+548)
15K → 20K
28:01 | 9:01/mi
Half· 13.11 mi
2:02:33
Rank: #21659 (+53)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:24:31
Rank: #21297 (+362)
Half → 25K
21:58 | 9:04/mi
30K· 18.64 mi
2:54:02
Rank: #20950 (+347)
25K → 30K
29:31 | 9:30/mi
20M
3:06:39
Rank: #20713 (+237)
30K → 20M
12:37 | 9:17/mi
21M
3:16:25
Rank: #20522 (+191)
20M → 21M
9:46 | 9:46/mi
35K· 21.75 mi
3:23:14
Rank: #20433 (+89)
21M → 35K
6:49 | 9:07/mi
23M
3:34:48
Rank: #20267 (+166)
35K → 23M
11:34 | 9:14/mi
24M
3:43:44
Rank: #20134 (+133)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:51:19
Rank: #20004 (+130)
24M → 40K
7:35 | 8:52/mi
25.2M
3:54:38
Rank: #19949 (+55)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
4:03:24
Rank: #19816 (+133)
25.2M → Finish
8:46 | 8:36/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:02:33
Pace9:21 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:00:51
Pace9:13 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1630:469:5430:46
9:54
-
10K
6.21 mi12:19:1658:469:2728:00
9:01
-0:53
15K
9.32 mi12:48:541:28:249:2929:38
9:32
+0:31
20K
12.43 mi13:16:551:56:259:2228:01
9:01
-0:31
Half
13.11 mi13:23:032:02:339:216:08
8:59
-0:02
25K
15.53 mi13:45:012:24:319:1821:58
9:04
+0:05
30K
18.64 mi14:14:322:54:029:2029:31
9:30
+0:26
20M
20.00 mi14:27:093:06:399:2012:37
9:17
-0:13
21M
21.00 mi14:36:553:16:259:219:46
9:46
+0:29
35K
21.75 mi14:43:443:23:149:216:49
9:07
-0:39
23M
23.00 mi14:55:183:34:489:2011:34
9:14
+0:07
24M
24.00 mi15:04:143:43:449:198:56
8:56
-0:18
40K
24.85 mi15:11:493:51:199:187:35
8:52
-0:04
25.2M
25.20 mi15:15:083:54:389:193:19
9:37
+0:45
Finish
26.22 mi15:23:544:03:249:178:46
8:36
-1:01

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

8:36 /mi

Average Pace

9:17 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:24

58% of race

Time at Steady Pace

1:43:00

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:17 /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 mi11:51:1630:469:5430:46
9:54
#23203
10K
6.21 mi12:19:1658:469:2728:00
9:01
#22228
15K
9.32 mi12:48:541:28:249:2929:38
9:32
#22260
20K
12.43 mi13:16:551:56:259:2228:01
9:01
#21712
Half
13.11 mi13:23:032:02:339:216:08
8:59
#21659
25K
15.53 mi13:45:012:24:319:1821:58
9:04
#21297
30K
18.64 mi14:14:322:54:029:2029:31
9:30
#20950
20M
20.00 mi14:27:093:06:399:2012:37
9:17
#20713
21M
21.00 mi14:36:553:16:259:219:46
9:46
#20522
35K
21.75 mi14:43:443:23:149:216:49
9:07
#20433
23M
23.00 mi14:55:183:34:489:2011:34
9:14
#20267
24M
24.00 mi15:04:143:43:449:198:56
8:56
#20134
40K
24.85 mi15:11:493:51:199:187:35
8:52
#20004
25.2M
25.20 mi15:15:083:54:389:193:19
9:37
#19949
Finish
26.22 mi15:23:544:03:249:178:46
8:36
#19816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi232039496949622365(Top 84%)8989(Top 79%)8989(Top 1103%)
10K6.21 mi3.10 mi22228+9758964+5328964+53220935(Top 79%)8222(Top 72%)8222(Top 1009%)
15K9.32 mi3.11 mi22260-328967-38967-322365(Top 84%)8989(Top 79%)8989(Top 1103%)
20K12.43 mi3.11 mi21712+5488665+3028665+30219796(Top 74%)7554(Top 66%)7554(Top 927%)
Half13.11 mi0.68 mi21659+538643+228643+2220420(Top 77%)7918(Top 69%)7918(Top 972%)
25K15.53 mi2.42 mi21297+3628431+2128431+21219255(Top 72%)7285(Top 64%)7285(Top 894%)
30K18.64 mi3.11 mi20950+3478252+1798252+17919447(Top 73%)7441(Top 65%)7441(Top 913%)
20M20.00 mi1.36 mi20713+2378136+1168136+11617981(Top 68%)6741(Top 59%)6741(Top 827%)
21M21.00 mi1.00 mi20522+1918041+958041+9517159(Top 64%)6294(Top 55%)6294(Top 772%)
35K21.75 mi0.75 mi20433+898004+378004+3718419(Top 69%)7069(Top 62%)7069(Top 867%)
23M23.00 mi1.25 mi20267+1667918+867918+8617273(Top 65%)6449(Top 56%)6449(Top 791%)
24M24.00 mi1.00 mi20134+1337851+677851+6716961(Top 64%)6342(Top 56%)6342(Top 778%)
40K24.85 mi0.85 mi20004+1307785+667785+6615503(Top 58%)5597(Top 49%)5597(Top 687%)
25.2M25.20 mi0.35 mi19949+557758+277758+2715850(Top 60%)5806(Top 51%)5806(Top 712%)
Finish26.22 mi1.02 mi19816+1337684+747684+7416048(Top 60%)5849(Top 51%)5849(Top 718%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22365

Females

8989

F55-59

8989

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

20935

Females

8222

F55-59

8222

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22365

Females

8989

F55-59

8989

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19796

Females

7554

F55-59

7554

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20420

Females

7918

F55-59

7918

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19255

Females

7285

F55-59

7285

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19447

Females

7441

F55-59

7441

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

17981

Females

6741

F55-59

6741

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

17159

Females

6294

F55-59

6294

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18419

Females

7069

F55-59

7069

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17273

Females

6449

F55-59

6449

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16961

Females

6342

F55-59

6342

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15503

Females

5597

F55-59

5597

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15850

Females

5806

F55-59

5806

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16048

Females

5849

F55-59

5849

Passing Analysis

Category:
Athletes Passed
3647
Passed By
260
Net Change
+3387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23203
5K → 10K98914+975#23203#22228
10K → 15K150182-32#22228#22260
15K → 20K5524+548#22260#21712
20K → Half585+53#21712#21659
Half → 25K3686+362#21659#21297
25K → 30K36316+347#21297#20950
30K → 20M2392+237#20950#20713
20M → 21M1987+191#20713#20522
21M → 35K956+89#20522#20433
35K → 23M1715+166#20433#20267
23M → 24M1341+133#20267#20134
24M → 40K1377+130#20134#20004
40K → 25.2M583+55#20004#19949
25.2M → Finish1352+133#19949#19816
TOTALS3647260+3387
📊

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