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BOSTON MARATHON 2023

Tara Kalmanson

Bib: 14014•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:13
Rank: #14834
Start → 5K
25:13 | 8:07/mi
10K· 6.21 mi
48:42
Rank: #13053 (+1781)
5K → 10K
23:29 | 7:34/mi
15K· 9.32 mi
1:12:24
Rank: #12380 (+673)
10K → 15K
23:42 | 7:38/mi
20K· 12.43 mi
1:36:51
Rank: #12346 (+34)
15K → 20K
24:27 | 7:52/mi
Half· 13.11 mi
1:42:13
Rank: #12380 (-34)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:01:23
Rank: #12302 (+78)
Half → 25K
19:10 | 7:54/mi
30K· 18.64 mi
2:26:27
Rank: #12092 (+210)
25K → 30K
25:04 | 8:04/mi
20M
2:37:29
Rank: #12001 (+91)
30K → 20M
11:02 | 8:07/mi
21M
2:45:55
Rank: #11869 (+132)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:51:29
Rank: #11716 (+153)
21M → 35K
5:34 | 7:26/mi
23M
3:01:34
Rank: #11595 (+121)
35K → 23M
10:05 | 8:03/mi
24M
3:09:34
Rank: #11576 (+19)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:16:21
Rank: #11481 (+95)
24M → 40K
6:47 | 7:56/mi
25.2M
3:19:14
Rank: #11419 (+62)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:26:37
Rank: #11162 (+257)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:13
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:44:24
Pace7:58 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4725:138:0725:13
8:07
-
10K
6.21 mi11:39:1648:427:5023:29
7:34
-0:33
15K
9.32 mi12:02:581:12:247:4623:42
7:38
+0:04
20K
12.43 mi12:27:251:36:517:4824:27
7:52
+0:14
Half
13.11 mi12:32:471:42:137:485:22
7:52
0:00
25K
15.53 mi12:51:572:01:237:4919:10
7:54
+0:02
30K
18.64 mi13:17:012:26:277:5125:04
8:04
+0:10
20M
20.00 mi13:28:032:37:297:5211:02
8:07
+0:03
21M
21.00 mi13:36:292:45:557:548:26
8:26
+0:19
35K
21.75 mi13:42:032:51:297:535:34
7:26
-1:00
23M
23.00 mi13:52:083:01:347:5410:05
8:03
+0:37
24M
24.00 mi14:00:083:09:347:548:00
8:00
-0:03
40K
24.85 mi14:06:553:16:217:546:47
7:56
-0:04
25.2M
25.20 mi14:09:483:19:147:542:53
8:22
+0:26
Finish
26.22 mi14:17:113:26:377:537:23
7:15
-1:07

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

7:15 /mi

Average Pace

7:53 /mi

Slowest Pace

8:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:54

56% of race

Time at Steady Pace

1:30:43

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:15:4725:138:0725:13
8:07
#14834
10K
6.21 mi11:39:1648:427:5023:29
7:34
#13053
15K
9.32 mi12:02:581:12:247:4623:42
7:38
#12380
20K
12.43 mi12:27:251:36:517:4824:27
7:52
#12346
Half
13.11 mi12:32:471:42:137:485:22
7:52
#12380
25K
15.53 mi12:51:572:01:237:4919:10
7:54
#12302
30K
18.64 mi13:17:012:26:277:5125:04
8:04
#12092
20M
20.00 mi13:28:032:37:297:5211:02
8:07
#12001
21M
21.00 mi13:36:292:45:557:548:26
8:26
#11869
35K
21.75 mi13:42:032:51:297:535:34
7:26
#11716
23M
23.00 mi13:52:083:01:347:5410:05
8:03
#11595
24M
24.00 mi14:00:083:09:347:548:00
8:00
#11576
40K
24.85 mi14:06:553:16:217:546:47
7:56
#11481
25.2M
25.20 mi14:09:483:19:147:542:53
8:22
#11419
Finish
26.22 mi14:17:113:26:377:537:23
7:15
#11162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi148344530453011259(Top 42%)2495(Top 22%)2495(Top 51%)
10K6.21 mi3.10 mi13053+17813474+10563474+105610955(Top 41%)2291(Top 20%)2291(Top 47%)
15K9.32 mi3.11 mi12380+6733109+3653109+36511259(Top 42%)2495(Top 22%)2495(Top 51%)
20K12.43 mi3.11 mi12346+343115-63115-612340(Top 46%)3156(Top 28%)3156(Top 65%)
Half13.11 mi0.68 mi12380-343138-233138-2313312(Top 50%)3661(Top 32%)3661(Top 75%)
25K15.53 mi2.42 mi12302+783116+223116+2211960(Top 45%)3047(Top 27%)3047(Top 62%)
30K18.64 mi3.11 mi12092+2103026+903026+9011431(Top 43%)2863(Top 25%)2863(Top 59%)
20M20.00 mi1.36 mi12001+912999+272999+2711172(Top 42%)2813(Top 25%)2813(Top 58%)
21M21.00 mi1.00 mi11869+1322935+642935+6410103(Top 38%)2436(Top 21%)2436(Top 50%)
35K21.75 mi0.75 mi11716+1532865+702865+708169(Top 31%)1587(Top 14%)1587(Top 32%)
23M23.00 mi1.25 mi11595+1212823+422823+4210155(Top 38%)2582(Top 23%)2582(Top 53%)
24M24.00 mi1.00 mi11576+192830-72830-711252(Top 42%)3214(Top 28%)3214(Top 66%)
40K24.85 mi0.85 mi11481+952805+252805+259624(Top 36%)2469(Top 22%)2469(Top 51%)
25.2M25.20 mi0.35 mi11419+622782+232782+238755(Top 33%)2158(Top 19%)2158(Top 44%)
Finish26.22 mi1.02 mi11162+2572670+1122670+1126769(Top 25%)1346(Top 12%)1346(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11259

Females

2495

F18-39

2495

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10955

Females

2291

F18-39

2291

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11259

Females

2495

F18-39

2495

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12340

Females

3156

F18-39

3156

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13312

Females

3661

F18-39

3661

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11960

Females

3047

F18-39

3047

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11431

Females

2863

F18-39

2863

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11172

Females

2813

F18-39

2813

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10103

Females

2436

F18-39

2436

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8169

Females

1587

F18-39

1587

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10155

Females

2582

F18-39

2582

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11252

Females

3214

F18-39

3214

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9624

Females

2469

F18-39

2469

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8755

Females

2158

F18-39

2158

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6769

Females

1346

F18-39

1346

Passing Analysis

Category:
Athletes Passed
4324
Passed By
652
Net Change
+3672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14834
5K → 10K180322+1781#14834#13053
10K → 15K70835+673#13053#12380
15K → 20K192158+34#12380#12346
20K → Half2054-34#12346#12380
Half → 25K15779+78#12380#12302
25K → 30K30898+210#12302#12092
30K → 20M14554+91#12092#12001
20M → 21M15725+132#12001#11869
21M → 35K1607+153#11869#11716
35K → 23M15534+121#11716#11595
23M → 24M7455+19#11595#11576
24M → 40K11823+95#11576#11481
40K → 25.2M675+62#11481#11419
25.2M → Finish2603+257#11419#11162
TOTALS4324652+3672
📊

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