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BOSTON MARATHON 2025

Grace Howard

Bib: 12166•F

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:05
Rank: #8718
Start → 5K
22:05 | 7:06/mi
10K· 6.21 mi
44:38
Rank: #9314 (-596)
5K → 10K
22:33 | 7:15/mi
15K· 9.32 mi
1:06:47
Rank: #9031 (+283)
10K → 15K
22:09 | 7:08/mi
20K· 12.43 mi
1:28:38
Rank: #8396 (+635)
15K → 20K
21:51 | 7:02/mi
Half· 13.11 mi
1:33:15
Rank: #8252 (+144)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:49:47
Rank: #7716 (+536)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:11:21
Rank: #6972 (+744)
25K → 30K
21:34 | 6:56/mi
20M
2:21:00
Rank: #6715 (+257)
30K → 20M
9:39 | 7:06/mi
21M
2:28:37
Rank: #6550 (+165)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:33:40
Rank: #6414 (+136)
21M → 35K
5:03 | 6:45/mi
23M
2:42:28
Rank: #6206 (+208)
35K → 23M
8:48 | 7:02/mi
24M
2:49:21
Rank: #6046 (+160)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:55:29
Rank: #5954 (+92)
24M → 40K
6:08 | 7:10/mi
25.2M
2:57:59
Rank: #5854 (+100)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
3:05:22
Rank: #5826 (+28)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:33:15
Pace7:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:07
Pace7:02 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5922:057:0622:05
7:06
-
10K
6.21 mi11:12:3244:387:1122:33
7:15
+0:09
15K
9.32 mi11:34:411:06:477:1022:09
7:08
-0:07
20K
12.43 mi11:56:321:28:387:0821:51
7:02
-0:06
Half
13.11 mi12:01:091:33:157:074:37
6:46
-0:16
25K
15.53 mi12:17:411:49:477:0416:32
6:49
+0:03
30K
18.64 mi12:39:152:11:217:0321:34
6:56
+0:07
20M
20.00 mi12:48:542:21:007:039:39
7:06
+0:10
21M
21.00 mi12:56:312:28:377:057:37
7:37
+0:31
35K
21.75 mi13:01:342:33:407:045:03
6:45
-0:52
23M
23.00 mi13:10:222:42:287:048:48
7:02
+0:17
24M
24.00 mi13:17:152:49:217:036:53
6:53
-0:09
40K
24.85 mi13:23:232:55:297:046:08
7:10
+0:17
25.2M
25.20 mi13:25:532:57:597:042:30
7:15
+0:05
Finish
26.22 mi13:33:163:05:227:057:23
7:15
0:00

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

6:45 /mi

Average Pace

7:05 /mi

Slowest Pace

7:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:45

96% of race

Time at Steady Pace

7:37

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi10:49:5922:057:0622:05
7:06
#8718
10K
6.21 mi11:12:3244:387:1122:33
7:15
#9314
15K
9.32 mi11:34:411:06:477:1022:09
7:08
#9031
20K
12.43 mi11:56:321:28:387:0821:51
7:02
#8396
Half
13.11 mi12:01:091:33:157:074:37
6:46
#8252
25K
15.53 mi12:17:411:49:477:0416:32
6:49
#7716
30K
18.64 mi12:39:152:11:217:0321:34
6:56
#6972
20M
20.00 mi12:48:542:21:007:039:39
7:06
#6715
21M
21.00 mi12:56:312:28:377:057:37
7:37
#6550
35K
21.75 mi13:01:342:33:407:045:03
6:45
#6414
23M
23.00 mi13:10:222:42:287:048:48
7:02
#6206
24M
24.00 mi13:17:152:49:217:036:53
6:53
#6046
40K
24.85 mi13:23:232:55:297:046:08
7:10
#5954
25.2M
25.20 mi13:25:532:57:597:042:30
7:15
#5854
Finish
26.22 mi13:33:163:05:227:057:23
7:15
#5826
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 mi8718124512458547(Top 30%)1243(Top 10%)1243(Top 23%)
10K6.21 mi3.10 mi9314-5961505-2601505-2609990(Top 35%)1822(Top 15%)1822(Top 33%)
15K9.32 mi3.11 mi9031+2831407+981407+988547(Top 30%)1243(Top 10%)1243(Top 23%)
20K12.43 mi3.11 mi8396+6351182+2251182+2257090(Top 25%)798(Top 7%)798(Top 15%)
Half13.11 mi0.68 mi8252+1441126+561126+565950(Top 21%)548(Top 4%)548(Top 10%)
25K15.53 mi2.42 mi7716+536945+181945+1815042(Top 18%)407(Top 3%)407(Top 7%)
30K18.64 mi3.11 mi6972+744765+180765+1804360(Top 15%)356(Top 3%)356(Top 7%)
20M20.00 mi1.36 mi6715+257729+36729+364704(Top 17%)442(Top 4%)442(Top 8%)
21M21.00 mi1.00 mi6550+165712+17712+175239(Top 18%)671(Top 5%)671(Top 12%)
35K21.75 mi0.75 mi6414+136686+26686+263875(Top 14%)385(Top 3%)385(Top 7%)
23M23.00 mi1.25 mi6206+208656+30656+303964(Top 14%)414(Top 3%)414(Top 8%)
24M24.00 mi1.00 mi6046+160631+25631+254028(Top 14%)464(Top 4%)464(Top 8%)
40K24.85 mi0.85 mi5954+92627+4627+44935(Top 17%)749(Top 6%)749(Top 14%)
25.2M25.20 mi0.35 mi5854+100612+15612+152244(Top 8%)237(Top 2%)237(Top 4%)
Finish26.22 mi1.02 mi5826+28626-14626-147424(Top 26%)1844(Top 15%)1844(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8547

Females

1243

F18-39

1243

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9990

Females

1822

F18-39

1822

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8547

Females

1243

F18-39

1243

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7090

Females

798

F18-39

798

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5950

Females

548

F18-39

548

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5042

Females

407

F18-39

407

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4360

Females

356

F18-39

356

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4704

Females

442

F18-39

442

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5239

Females

671

F18-39

671

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3875

Females

385

F18-39

385

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3964

Females

414

F18-39

414

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

4028

Females

464

F18-39

464

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4935

Females

749

F18-39

749

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2244

Females

237

F18-39

237

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7424

Females

1844

F18-39

1844

Passing Analysis

Category:
Athletes Passed
3679
Passed By
787
Net Change
+2892
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8718
5K → 10K59655-596#8718#9314
10K → 15K33350+283#9314#9031
15K → 20K6383+635#9031#8396
20K → Half1440+144#8396#8252
Half → 25K5360+536#8252#7716
25K → 30K7451+744#7716#6972
30K → 20M2625+257#6972#6715
20M → 21M1727+165#6715#6550
21M → 35K1371+136#6550#6414
35K → 23M2124+208#6414#6206
23M → 24M1655+160#6206#6046
24M → 40K10210+92#6046#5954
40K → 25.2M1011+100#5954#5854
25.2M → Finish7345+28#5854#5826
TOTALS3679787+2892
📊

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