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BOSTON MARATHON 2023

Julie Knaus

Bib: 11614•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:09
Rank: #9243
Start → 5K
23:09 | 7:27/mi
10K· 6.21 mi
45:41
Rank: #8834 (+409)
5K → 10K
22:32 | 7:15/mi
15K· 9.32 mi
1:08:41
Rank: #8974 (-140)
10K → 15K
23:00 | 7:24/mi
20K· 12.43 mi
1:32:16
Rank: #9188 (-214)
15K → 20K
23:35 | 7:35/mi
Half· 13.11 mi
1:37:16
Rank: #9171 (+17)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:55:41
Rank: #9197 (-26)
Half → 25K
18:25 | 7:36/mi
30K· 18.64 mi
2:20:07
Rank: #9286 (-89)
25K → 30K
24:26 | 7:52/mi
20M
2:30:57
Rank: #9340 (-54)
30K → 20M
10:50 | 7:58/mi
21M
2:39:02
Rank: #9209 (+131)
20M → 21M
8:05 | 8:05/mi
35K· 21.75 mi
2:44:35
Rank: #9139 (+70)
21M → 35K
5:33 | 7:25/mi
23M
2:54:13
Rank: #9038 (+101)
35K → 23M
9:38 | 7:42/mi
24M
3:01:48
Rank: #8986 (+52)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
3:08:12
Rank: #8873 (+113)
24M → 40K
6:24 | 7:29/mi
25.2M
3:10:59
Rank: #8817 (+56)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:18:14
Rank: #8669 (+148)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:16
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:40:58
Pace7:42 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1523:097:2723:09
7:27
-
10K
6.21 mi11:12:4745:417:2122:32
7:15
-0:12
15K
9.32 mi11:35:471:08:417:2223:00
7:24
+0:09
20K
12.43 mi11:59:221:32:167:2523:35
7:35
+0:11
Half
13.11 mi12:04:221:37:167:255:00
7:20
-0:15
25K
15.53 mi12:22:471:55:417:2718:25
7:36
+0:16
30K
18.64 mi12:47:132:20:077:3124:26
7:52
+0:16
20M
20.00 mi12:58:032:30:577:3310:50
7:58
+0:06
21M
21.00 mi13:06:082:39:027:348:05
8:05
+0:07
35K
21.75 mi13:11:412:44:357:345:33
7:25
-0:40
23M
23.00 mi13:21:192:54:137:349:38
7:42
+0:17
24M
24.00 mi13:28:543:01:487:357:35
7:35
-0:07
40K
24.85 mi13:35:183:08:127:346:24
7:29
-0:06
25.2M
25.20 mi13:38:053:10:597:352:47
8:04
+0:35
Finish
26.22 mi13:45:203:18:147:347:15
7:07
-0:57

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

7:07 /mi

Average Pace

7:34 /mi

Slowest Pace

8:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:06

77% of race

Time at Steady Pace

46:08

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:50:1523:097:2723:09
7:27
#9243
10K
6.21 mi11:12:4745:417:2122:32
7:15
#8834
15K
9.32 mi11:35:471:08:417:2223:00
7:24
#8974
20K
12.43 mi11:59:221:32:167:2523:35
7:35
#9188
Half
13.11 mi12:04:221:37:167:255:00
7:20
#9171
25K
15.53 mi12:22:471:55:417:2718:25
7:36
#9197
30K
18.64 mi12:47:132:20:077:3124:26
7:52
#9286
20M
20.00 mi12:58:032:30:577:3310:50
7:58
#9340
21M
21.00 mi13:06:082:39:027:348:05
8:05
#9209
35K
21.75 mi13:11:412:44:357:345:33
7:25
#9139
23M
23.00 mi13:21:192:54:137:349:38
7:42
#9038
24M
24.00 mi13:28:543:01:487:357:35
7:35
#8986
40K
24.85 mi13:35:183:08:127:346:24
7:29
#8873
25.2M
25.20 mi13:38:053:10:597:352:47
8:04
#8817
Finish
26.22 mi13:45:203:18:147:347:15
7:07
#8669
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9243150315039369(Top 35%)1570(Top 14%)1570(Top 32%)
10K6.21 mi3.10 mi8834+4091341+1621341+1628522(Top 32%)1237(Top 11%)1237(Top 25%)
15K9.32 mi3.11 mi8974-1401417-761417-769369(Top 35%)1570(Top 14%)1570(Top 32%)
20K12.43 mi3.11 mi9188-2141508-911508-9110024(Top 38%)1921(Top 17%)1921(Top 39%)
Half13.11 mi0.68 mi9171+171505+31505+38888(Top 33%)1438(Top 13%)1438(Top 29%)
25K15.53 mi2.42 mi9197-261523-181523-189515(Top 36%)1782(Top 16%)1782(Top 36%)
30K18.64 mi3.11 mi9286-891600-771600-779856(Top 37%)2089(Top 18%)2089(Top 43%)
20M20.00 mi1.36 mi9340-541651-511651-5110074(Top 38%)2256(Top 20%)2256(Top 46%)
21M21.00 mi1.00 mi9209+1311619+321619+327933(Top 30%)1492(Top 13%)1492(Top 31%)
35K21.75 mi0.75 mi9139+701605+141605+147980(Top 30%)1487(Top 13%)1487(Top 30%)
23M23.00 mi1.25 mi9038+1011585+201585+207707(Top 29%)1455(Top 13%)1455(Top 30%)
24M24.00 mi1.00 mi8986+521590-51590-58302(Top 31%)1794(Top 16%)1794(Top 37%)
40K24.85 mi0.85 mi8873+1131569+211569+216675(Top 25%)1241(Top 11%)1241(Top 25%)
25.2M25.20 mi0.35 mi8817+561554+151554+156984(Top 26%)1407(Top 12%)1407(Top 29%)
Finish26.22 mi1.02 mi8669+1481514+401514+405926(Top 22%)1045(Top 9%)1045(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9369

Females

1570

F18-39

1570

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8522

Females

1237

F18-39

1237

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9369

Females

1570

F18-39

1570

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10024

Females

1921

F18-39

1921

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8888

Females

1438

F18-39

1438

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9515

Females

1782

F18-39

1782

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9856

Females

2089

F18-39

2089

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10074

Females

2256

F18-39

2256

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7933

Females

1492

F18-39

1492

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7980

Females

1487

F18-39

1487

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7707

Females

1455

F18-39

1455

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8302

Females

1794

F18-39

1794

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6675

Females

1241

F18-39

1241

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6984

Females

1407

F18-39

1407

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5926

Females

1045

F18-39

1045

Passing Analysis

Category:
Athletes Passed
1807
Passed By
1233
Net Change
+574
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9243
5K → 10K512103+409#9243#8834
10K → 15K96236-140#8834#8974
15K → 20K74288-214#8974#9188
20K → Half2912+17#9188#9171
Half → 25K108134-26#9171#9197
25K → 30K139228-89#9197#9286
30K → 20M57111-54#9286#9340
20M → 21M15726+131#9340#9209
21M → 35K777+70#9209#9139
35K → 23M13332+101#9139#9038
23M → 24M9139+52#9038#8986
24M → 40K1207+113#8986#8873
40K → 25.2M593+56#8873#8817
25.2M → Finish1557+148#8817#8669
TOTALS18071233+574
📊

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