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BOSTON MARATHON 2023

Katie Ross

Bib: 8818•F

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:32
Rank: #7823
Start → 5K
22:32 | 7:15/mi
10K· 6.21 mi
44:45
Rank: #7787 (+36)
5K → 10K
22:13 | 7:09/mi
15K· 9.32 mi
1:07:51
Rank: #8311 (-524)
10K → 15K
23:06 | 7:26/mi
20K· 12.43 mi
1:30:22
Rank: #8049 (+262)
15K → 20K
22:31 | 7:15/mi
Half· 13.11 mi
1:35:17
Rank: #8029 (+20)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:54:38
Rank: #8680 (-651)
Half → 25K
19:21 | 7:59/mi
30K· 18.64 mi
2:17:43
Rank: #8266 (+414)
25K → 30K
23:05 | 7:26/mi
20M
2:27:35
Rank: #8012 (+254)
30K → 20M
9:52 | 7:16/mi
21M
2:35:12
Rank: #7794 (+218)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:40:31
Rank: #7702 (+92)
21M → 35K
5:19 | 7:06/mi
23M
2:49:44
Rank: #7524 (+178)
35K → 23M
9:13 | 7:22/mi
24M
2:56:54
Rank: #7423 (+101)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
3:03:03
Rank: #7293 (+130)
24M → 40K
6:09 | 7:12/mi
25.2M
3:05:38
Rank: #7214 (+79)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:12:18
Rank: #6969 (+245)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:17
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:37:01
Pace7:24 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0322:327:1522:32
7:15
-
10K
6.21 mi11:10:1644:457:1222:13
7:09
-0:06
15K
9.32 mi11:33:221:07:517:1723:06
7:26
+0:17
20K
12.43 mi11:55:531:30:227:1622:31
7:15
-0:11
Half
13.11 mi12:00:481:35:177:164:55
7:12
-0:03
25K
15.53 mi12:20:091:54:387:2319:21
7:59
+0:47
30K
18.64 mi12:43:142:17:437:2323:05
7:26
-0:33
20M
20.00 mi12:53:062:27:357:239:52
7:16
-0:10
21M
21.00 mi13:00:432:35:127:237:37
7:37
+0:21
35K
21.75 mi13:06:022:40:317:235:19
7:06
-0:31
23M
23.00 mi13:15:152:49:447:239:13
7:22
+0:16
24M
24.00 mi13:22:252:56:547:227:10
7:10
-0:12
40K
24.85 mi13:28:343:03:037:226:09
7:12
+0:02
25.2M
25.20 mi13:31:093:05:387:222:35
7:29
+0:17
Finish
26.22 mi13:37:493:12:187:206:40
6:33
-0:56

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

6:33 /mi

Average Pace

7:20 /mi

Slowest Pace

7:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:59

6% of race

Time at Steady Pace

1:44:35

54% of race

Time at Slower Pace

1:15:44

39% of race

Average Pace: 7:20 /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 mi10:48:0322:327:1522:32
7:15
#7823
10K
6.21 mi11:10:1644:457:1222:13
7:09
#7787
15K
9.32 mi11:33:221:07:517:1723:06
7:26
#8311
20K
12.43 mi11:55:531:30:227:1622:31
7:15
#8049
Half
13.11 mi12:00:481:35:177:164:55
7:12
#8029
25K
15.53 mi12:20:091:54:387:2319:21
7:59
#8680
30K
18.64 mi12:43:142:17:437:2323:05
7:26
#8266
20M
20.00 mi12:53:062:27:357:239:52
7:16
#8012
21M
21.00 mi13:00:432:35:127:237:37
7:37
#7794
35K
21.75 mi13:06:022:40:317:235:19
7:06
#7702
23M
23.00 mi13:15:152:49:447:239:13
7:22
#7524
24M
24.00 mi13:22:252:56:547:227:10
7:10
#7423
40K
24.85 mi13:28:343:03:037:226:09
7:12
#7293
25.2M
25.20 mi13:31:093:05:387:222:35
7:29
#7214
Finish
26.22 mi13:37:493:12:187:206:40
6:33
#6969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi78239609609650(Top 36%)1683(Top 15%)1683(Top 34%)
10K6.21 mi3.10 mi7787+36945+15945+157784(Top 29%)977(Top 9%)977(Top 20%)
15K9.32 mi3.11 mi8311-5241150-2051150-2059650(Top 36%)1683(Top 15%)1683(Top 34%)
20K12.43 mi3.11 mi8049+2621071+791071+797423(Top 28%)908(Top 8%)908(Top 19%)
Half13.11 mi0.68 mi8029+201068+31068+37952(Top 30%)1061(Top 9%)1061(Top 22%)
25K15.53 mi2.42 mi8680-6511325-2571325-25712584(Top 47%)3401(Top 30%)3401(Top 70%)
30K18.64 mi3.11 mi8266+4141216+1091216+1096778(Top 25%)856(Top 7%)856(Top 18%)
20M20.00 mi1.36 mi8012+2541136+801136+805445(Top 20%)564(Top 5%)564(Top 12%)
21M21.00 mi1.00 mi7794+2181068+681068+685221(Top 20%)592(Top 5%)592(Top 12%)
35K21.75 mi0.75 mi7702+921047+211047+215997(Top 23%)767(Top 7%)767(Top 16%)
23M23.00 mi1.25 mi7524+1781013+341013+345668(Top 21%)706(Top 6%)706(Top 14%)
24M24.00 mi1.00 mi7423+101997+16997+165588(Top 21%)747(Top 7%)747(Top 15%)
40K24.85 mi0.85 mi7293+130973+24973+244887(Top 18%)617(Top 5%)617(Top 13%)
25.2M25.20 mi0.35 mi7214+79953+20953+203951(Top 15%)440(Top 4%)440(Top 9%)
Finish26.22 mi1.02 mi6969+245899+54899+542716(Top 10%)237(Top 2%)237(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9650

Females

1683

F18-39

1683

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7784

Females

977

F18-39

977

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9650

Females

1683

F18-39

1683

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7423

Females

908

F18-39

908

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7952

Females

1061

F18-39

1061

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12584

Females

3401

F18-39

3401

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6778

Females

856

F18-39

856

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5445

Females

564

F18-39

564

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5221

Females

592

F18-39

592

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5997

Females

767

F18-39

767

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5668

Females

706

F18-39

706

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5588

Females

747

F18-39

747

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4887

Females

617

F18-39

617

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3951

Females

440

F18-39

440

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2716

Females

237

F18-39

237

Passing Analysis

Category:
Athletes Passed
2371
Passed By
1517
Net Change
+854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7823
5K → 10K244208+36#7823#7787
10K → 15K31555-524#7787#8311
15K → 20K28321+262#8311#8049
20K → Half3515+20#8049#8029
Half → 25K13664-651#8029#8680
25K → 30K43016+414#8680#8266
30K → 20M2584+254#8266#8012
20M → 21M2202+218#8012#7794
21M → 35K975+92#7794#7702
35K → 23M1868+178#7702#7524
23M → 24M11615+101#7524#7423
24M → 40K1333+130#7423#7293
40K → 25.2M790+79#7293#7214
25.2M → Finish2461+245#7214#6969
TOTALS23711517+854
📊

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