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BOSTON MARATHON 2023

Katherine Jordan

Bib: 11774•F

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0:00
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:57
Rank: #8742
Start → 5K
7:23/mi
22:57 split
10K· 6.21 mi
45:10
Rank: #8248 (+494)
5K → 10K
7:09/mi
22:13 split
15K· 9.32 mi
1:07:49
Rank: #8276 (-28)
10K → 15K
7:17/mi
22:39 split
20K· 12.43 mi
1:31:11
Rank: #8534 (-258)
15K → 20K
7:31/mi
23:22 split
Half· 13.11 mi
1:36:19
Rank: #8617 (-83)
20K → Half
7:31/mi
5:08 split
25K· 15.53 mi
1:54:33
Rank: #8636 (-19)
Half → 25K
7:31/mi
18:14 split
30K· 18.64 mi
2:19:50
Rank: #9173 (-537)
25K → 30K
8:08/mi
25:17 split
20M
2:30:50
Rank: #9285 (-112)
30K → 20M
8:06/mi
11:00 split
21M
2:39:13
Rank: #9278 (+7)
20M → 21M
8:23/mi
8:23 split
35K· 21.75 mi
2:44:48
Rank: #9224 (+54)
21M → 35K
7:28/mi
5:35 split
23M
2:56:32
Rank: #9807 (-583)
35K → 23M
9:22/mi
11:44 split
24M
3:04:29
Rank: #9827 (-20)
23M → 24M
7:57/mi
7:57 split
40K· 24.85 mi
3:11:34
Rank: #9896 (-69)
24M → 40K
8:17/mi
7:05 split
25.2M
3:14:34
Rank: #9894 (+2)
40K → 25.2M
8:42/mi
3:00 split
Finish· 26.22 mi
3:22:26
Rank: #9860 (+34)
25.2M → Finish
7:43/mi
7:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:19
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:46:07
Pace8:06 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1422:577:2322:57
7:23
-
10K
6.21 mi11:12:2745:107:1622:13
7:09
-0:14
15K
9.32 mi11:35:061:07:497:1722:39
7:17
+0:08
20K
12.43 mi11:58:281:31:117:2023:22
7:31
+0:14
Half
13.11 mi12:03:361:36:197:215:08
7:31
0:00
25K
15.53 mi12:21:501:54:337:2218:14
7:31
0:00
30K
18.64 mi12:47:072:19:507:3025:17
8:08
+0:37
20M
20.00 mi12:58:072:30:507:3211:00
8:06
-0:02
21M
21.00 mi13:06:302:39:137:358:23
8:23
+0:17
35K
21.75 mi13:12:052:44:487:355:35
7:28
-0:55
23M
23.00 mi13:23:492:56:327:4111:44
9:22
+1:54
24M
24.00 mi13:31:463:04:297:417:57
7:57
-1:25
40K
24.85 mi13:38:513:11:347:427:05
8:17
+0:20
25.2M
25.20 mi13:41:513:14:347:433:00
8:42
+0:25
Finish
26.22 mi13:49:433:22:267:447:52
7:43
-0:59

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

7:09 /mi

Average Pace

7:44 /mi

Slowest Pace

9:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:49

34% of race

Time at Steady Pace

1:08:08

34% of race

Time at Slower Pace

1:06:29

33% of race

Average Pace: 7:43 /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 mi10:50:1422:577:2322:57
7:23
#8742
10K
6.21 mi11:12:2745:107:1622:13
7:09
#8248
15K
9.32 mi11:35:061:07:497:1722:39
7:17
#8276
20K
12.43 mi11:58:281:31:117:2023:22
7:31
#8534
Half
13.11 mi12:03:361:36:197:215:08
7:31
#8617
25K
15.53 mi12:21:501:54:337:2218:14
7:31
#8636
30K
18.64 mi12:47:072:19:507:3025:17
8:08
#9173
20M
20.00 mi12:58:072:30:507:3211:00
8:06
#9285
21M
21.00 mi13:06:302:39:137:358:23
8:23
#9278
35K
21.75 mi13:12:052:44:487:355:35
7:28
#9224
23M
23.00 mi13:23:492:56:327:4111:44
9:22
#9807
24M
24.00 mi13:31:463:04:297:417:57
7:57
#9827
40K
24.85 mi13:38:513:11:347:427:05
8:17
#9896
25.2M
25.20 mi13:41:513:14:347:433:00
8:42
#9894
Finish
26.22 mi13:49:433:22:267:447:52
7:43
#9860
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8742129212928493(Top 32%)1249(Top 11%)1249(Top 26%)
10K6.21 mi3.10 mi8248+4941123+1691123+1697791(Top 29%)984(Top 9%)984(Top 20%)
15K9.32 mi3.11 mi8276-281134-111134-118493(Top 32%)1249(Top 11%)1249(Top 26%)
20K12.43 mi3.11 mi8534-2581254-1201254-1209487(Top 36%)1686(Top 15%)1686(Top 35%)
Half13.11 mi0.68 mi8617-831281-271281-2710345(Top 39%)2076(Top 18%)2076(Top 43%)
25K15.53 mi2.42 mi8636-191309-281309-288943(Top 34%)1541(Top 13%)1541(Top 32%)
30K18.64 mi3.11 mi9173-5371554-2451554-24511907(Top 45%)3129(Top 27%)3129(Top 64%)
20M20.00 mi1.36 mi9285-1121627-731627-7310985(Top 41%)2718(Top 24%)2718(Top 56%)
21M21.00 mi1.00 mi9278+71649-221649-229760(Top 37%)2269(Top 20%)2269(Top 46%)
35K21.75 mi0.75 mi9224+541642+71642+78335(Top 31%)1637(Top 14%)1637(Top 34%)
23M23.00 mi1.25 mi9807-5831911-2691911-26917813(Top 67%)6752(Top 59%)6752(Top 138%)
24M24.00 mi1.00 mi9827-201950-391950-3910896(Top 41%)3027(Top 26%)3027(Top 62%)
40K24.85 mi0.85 mi9896-692014-642014-6411926(Top 45%)3616(Top 32%)3616(Top 74%)
25.2M25.20 mi0.35 mi9894+22026-122026-1210784(Top 41%)3058(Top 27%)3058(Top 63%)
Finish26.22 mi1.02 mi9860+342030-42030-410115(Top 38%)2746(Top 24%)2746(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8493

Females

1249

F18-39

1249

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7791

Females

984

F18-39

984

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8493

Females

1249

F18-39

1249

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9487

Females

1686

F18-39

1686

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10345

Females

2076

F18-39

2076

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8943

Females

1541

F18-39

1541

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11907

Females

3129

F18-39

3129

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10985

Females

2718

F18-39

2718

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9760

Females

2269

F18-39

2269

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8335

Females

1637

F18-39

1637

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17813

Females

6752

F18-39

6752

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10896

Females

3027

F18-39

3027

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11926

Females

3616

F18-39

3616

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10784

Females

3058

F18-39

3058

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10115

Females

2746

F18-39

2746

Passing Analysis

Category:
Athletes Passed
1377*
Passed By
2495
Net Change
-1118
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8742
5K → 10K57884+494#8742#8248
10K → 15K133161-28#8248#8276
15K → 20K63321-258#8276#8534
20K → Half487-83#8534#8617
Half → 25K88107-19#8617#8636
25K → 30K65602-537#8636#9173
30K → 20M43155-112#9173#9285
20M → 21M8780+7#9285#9278
21M → 35K7218+54#9278#9224
35K → 23M15598-583#9224#9807
23M → 24M5575-20#9807#9827
24M → 40K54123-69#9827#9896
40K → 25.2M2725+2#9896#9894
25.2M → Finish93*59+34#9894#9860
TOTALS1377*2495-1118

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

📊

Passing Visuals

Category:
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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