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BOSTON MARATHON 2025

Kelsey Roberts

Bib: 17067•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F40-44)
#0 / 1718
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:59
Rank: #16924
Start → 5K
24:59 | 8:02/mi
10K· 6.21 mi
49:44
Rank: #16551 (+373)
5K → 10K
24:45 | 7:58/mi
15K· 9.32 mi
1:14:16
Rank: #16071 (+480)
10K → 15K
24:32 | 7:54/mi
20K· 12.43 mi
1:38:47
Rank: #15538 (+533)
15K → 20K
24:31 | 7:53/mi
Half· 13.11 mi
1:44:06
Rank: #15460 (+78)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:03:29
Rank: #15152 (+308)
Half → 25K
19:23 | 8:00/mi
30K· 18.64 mi
2:29:57
Rank: #15099 (+53)
25K → 30K
26:28 | 8:31/mi
20M
2:41:58
Rank: #15127 (-28)
30K → 20M
12:01 | 8:51/mi
21M
2:51:02
Rank: #14988 (+139)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
2:57:26
Rank: #15013 (-25)
21M → 35K
6:24 | 8:33/mi
23M
3:08:22
Rank: #14949 (+64)
35K → 23M
10:56 | 8:44/mi
24M
3:16:46
Rank: #14877 (+72)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:24:00
Rank: #14797 (+80)
24M → 40K
7:14 | 8:28/mi
25.2M
3:27:08
Rank: #14744 (+53)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:35:22
Rank: #14650 (+94)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:06
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:51:16
Pace8:29 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1924:598:0224:59
8:02
-
10K
6.21 mi11:40:0449:448:0024:45
7:58
-0:04
15K
9.32 mi12:04:361:14:167:5824:32
7:54
-0:04
20K
12.43 mi12:29:071:38:477:5724:31
7:53
-0:01
Half
13.11 mi12:34:261:44:067:565:19
7:48
-0:05
25K
15.53 mi12:53:492:03:297:5719:23
8:00
+0:12
30K
18.64 mi13:20:172:29:578:0326:28
8:31
+0:31
20M
20.00 mi13:32:182:41:588:0612:01
8:51
+0:20
21M
21.00 mi13:41:222:51:028:099:04
9:04
+0:13
35K
21.75 mi13:47:462:57:268:106:24
8:33
-0:31
23M
23.00 mi13:58:423:08:228:1110:56
8:44
+0:11
24M
24.00 mi14:07:063:16:468:128:24
8:24
-0:20
40K
24.85 mi14:14:203:24:008:127:14
8:28
+0:04
25.2M
25.20 mi14:17:283:27:088:133:08
9:05
+0:37
Finish
26.22 mi14:25:423:35:228:138:14
8:05
-1:00

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

7:48 /mi

Average Pace

8:13 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:13

84% of race

Time at Steady Pace

35:09

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:15:1924:598:0224:59
8:02
#16924
10K
6.21 mi11:40:0449:448:0024:45
7:58
#16551
15K
9.32 mi12:04:361:14:167:5824:32
7:54
#16071
20K
12.43 mi12:29:071:38:477:5724:31
7:53
#15538
Half
13.11 mi12:34:261:44:067:565:19
7:48
#15460
25K
15.53 mi12:53:492:03:297:5719:23
8:00
#15152
30K
18.64 mi13:20:172:29:578:0326:28
8:31
#15099
20M
20.00 mi13:32:182:41:588:0612:01
8:51
#15127
21M
21.00 mi13:41:222:51:028:099:04
9:04
#14988
35K
21.75 mi13:47:462:57:268:106:24
8:33
#15013
23M
23.00 mi13:58:423:08:228:1110:56
8:44
#14949
24M
24.00 mi14:07:063:16:468:128:24
8:24
#14877
40K
24.85 mi14:14:203:24:008:127:14
8:28
#14797
25.2M
25.20 mi14:17:283:27:088:133:08
9:05
#14744
Finish
26.22 mi14:25:423:35:228:138:14
8:05
#14650
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi169245696569615226(Top 54%)4707(Top 38%)4707(Top 274%)
10K6.21 mi3.10 mi16551+3735470+2265470+22616206(Top 57%)5246(Top 43%)5246(Top 305%)
15K9.32 mi3.11 mi16071+4805181+2895181+28915226(Top 54%)4707(Top 38%)4707(Top 274%)
20K12.43 mi3.11 mi15538+5334890+2914890+29114024(Top 49%)4112(Top 34%)4112(Top 239%)
Half13.11 mi0.68 mi15460+784841+494841+4914288(Top 50%)4239(Top 35%)4239(Top 247%)
25K15.53 mi2.42 mi15152+3084693+1484693+14813865(Top 49%)4145(Top 34%)4145(Top 241%)
30K18.64 mi3.11 mi15099+534724-314724-3114875(Top 52%)4833(Top 40%)4833(Top 281%)
20M20.00 mi1.36 mi15127-284775-514775-5115902(Top 56%)5529(Top 45%)5529(Top 322%)
21M21.00 mi1.00 mi14988+1394712+634712+6313928(Top 49%)4597(Top 38%)4597(Top 268%)
35K21.75 mi0.75 mi15013-254746-344746-3415811(Top 56%)5668(Top 46%)5668(Top 330%)
23M23.00 mi1.25 mi14949+644737+94737+914740(Top 52%)5190(Top 42%)5190(Top 302%)
24M24.00 mi1.00 mi14877+724735+24735+213903(Top 49%)4770(Top 39%)4770(Top 278%)
40K24.85 mi0.85 mi14797+804715+204715+2013213(Top 47%)4558(Top 37%)4558(Top 265%)
25.2M25.20 mi0.35 mi14744+534695+204695+2012375(Top 44%)4174(Top 34%)4174(Top 243%)
Finish26.22 mi1.02 mi14650+944674+214674+2113471(Top 47%)4679(Top 38%)4679(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15226

Females

4707

F40-44

4707

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16206

Females

5246

F40-44

5246

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15226

Females

4707

F40-44

4707

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

14024

Females

4112

F40-44

4112

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14288

Females

4239

F40-44

4239

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13865

Females

4145

F40-44

4145

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14875

Females

4833

F40-44

4833

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15902

Females

5529

F40-44

5529

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13928

Females

4597

F40-44

4597

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15811

Females

5668

F40-44

5668

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14740

Females

5190

F40-44

5190

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13903

Females

4770

F40-44

4770

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13213

Females

4558

F40-44

4558

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12375

Females

4174

F40-44

4174

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13471

Females

4679

F40-44

4679

Passing Analysis

Category:
Athletes Passed
3182
Passed By
908
Net Change
+2274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16924
5K → 10K520147+373#16924#16551
10K → 15K52040+480#16551#16071
15K → 20K55118+533#16071#15538
20K → Half868+78#15538#15460
Half → 25K34436+308#15460#15152
25K → 30K264211+53#15152#15099
30K → 20M116144-28#15099#15127
20M → 21M17940+139#15127#14988
21M → 35K5176-25#14988#15013
35K → 23M14379+64#15013#14949
23M → 24M11341+72#14949#14877
24M → 40K10727+80#14877#14797
40K → 25.2M6613+53#14797#14744
25.2M → Finish12228+94#14744#14650
TOTALS3182908+2274
📊

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