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BOSTON MARATHON 2025

Dina Iacone

Bib: 4647•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:16
Rank: #4024
Start → 5K
20:16 | 6:31/mi
10K· 6.21 mi
40:23
Rank: #3777 (+247)
5K → 10K
20:07 | 6:28/mi
15K· 9.32 mi
1:00:27
Rank: #3597 (+180)
10K → 15K
20:04 | 6:28/mi
20K· 12.43 mi
1:20:28
Rank: #3331 (+266)
15K → 20K
20:01 | 6:27/mi
Half· 13.11 mi
1:24:48
Rank: #3296 (+35)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:24
Rank: #3151 (+145)
Half → 25K
15:36 | 6:26/mi
30K· 18.64 mi
2:01:02
Rank: #2998 (+153)
25K → 30K
20:38 | 6:38/mi
20M
2:10:11
Rank: #2934 (+64)
30K → 20M
9:09 | 6:44/mi
21M
2:17:20
Rank: #2900 (+34)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:22:12
Rank: #2853 (+47)
21M → 35K
4:52 | 6:30/mi
23M
2:30:46
Rank: #2809 (+44)
35K → 23M
8:34 | 6:51/mi
24M
2:37:31
Rank: #2789 (+20)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:43:12
Rank: #2733 (+56)
24M → 40K
5:41 | 6:39/mi
25.2M
2:45:41
Rank: #2705 (+28)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:52:23
Rank: #2704 (+1)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:48
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:27:35
Pace6:41 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4020:166:3120:16
6:31
-
10K
6.21 mi10:43:4740:236:3020:07
6:28
-0:03
15K
9.32 mi11:03:511:00:276:2920:04
6:28
0:00
20K
12.43 mi11:23:521:20:286:2820:01
6:27
-0:01
Half
13.11 mi11:28:121:24:486:284:20
6:21
-0:06
25K
15.53 mi11:43:481:40:246:2815:36
6:26
+0:05
30K
18.64 mi12:04:262:01:026:3020:38
6:38
+0:12
20M
20.00 mi12:13:352:10:116:319:09
6:44
+0:06
21M
21.00 mi12:20:442:17:206:327:09
7:09
+0:25
35K
21.75 mi12:25:362:22:126:324:52
6:30
-0:39
23M
23.00 mi12:34:102:30:466:338:34
6:51
+0:21
24M
24.00 mi12:40:552:37:316:346:45
6:45
-0:06
40K
24.85 mi12:46:362:43:126:345:41
6:39
-0:06
25.2M
25.20 mi12:49:052:45:416:342:29
7:12
+0:33
Finish
26.22 mi12:55:472:52:236:356:42
6:34
-0:38

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

6:21 /mi

Average Pace

6:35 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:45

94% of race

Time at Steady Pace

9:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:23:4020:166:3120:16
6:31
#4024
10K
6.21 mi10:43:4740:236:3020:07
6:28
#3777
15K
9.32 mi11:03:511:00:276:2920:04
6:28
#3597
20K
12.43 mi11:23:521:20:286:2820:01
6:27
#3331
Half
13.11 mi11:28:121:24:486:284:20
6:21
#3296
25K
15.53 mi11:43:481:40:246:2815:36
6:26
#3151
30K
18.64 mi12:04:262:01:026:3020:38
6:38
#2998
20M
20.00 mi12:13:352:10:116:319:09
6:44
#2934
21M
21.00 mi12:20:442:17:206:327:09
7:09
#2900
35K
21.75 mi12:25:362:22:126:324:52
6:30
#2853
23M
23.00 mi12:34:102:30:466:338:34
6:51
#2809
24M
24.00 mi12:40:552:37:316:346:45
6:45
#2789
40K
24.85 mi12:46:362:43:126:345:41
6:39
#2733
25.2M
25.20 mi12:49:052:45:416:342:29
7:12
#2705
Finish
26.22 mi12:55:472:52:236:356:42
6:34
#2704
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi40242212213311(Top 12%)162(Top 1%)162(Top 3%)
10K6.21 mi3.10 mi3777+247195+26195+263565(Top 13%)183(Top 1%)183(Top 3%)
15K9.32 mi3.11 mi3597+180181+14181+143311(Top 12%)162(Top 1%)162(Top 3%)
20K12.43 mi3.11 mi3331+266156+25156+252793(Top 10%)127(Top 1%)127(Top 2%)
Half13.11 mi0.68 mi3296+35153+3153+32856(Top 10%)121(Top 1.0%)121(Top 2%)
25K15.53 mi2.42 mi3151+145141+12141+122537(Top 9%)118(Top 1.0%)118(Top 2%)
30K18.64 mi3.11 mi2998+153135+6135+62619(Top 9%)134(Top 1%)134(Top 2%)
20M20.00 mi1.36 mi2934+64136-1136-12642(Top 9%)149(Top 1%)149(Top 3%)
21M21.00 mi1.00 mi2900+34138-2138-22940(Top 10%)207(Top 2%)207(Top 4%)
35K21.75 mi0.75 mi2853+471381382533(Top 9%)163(Top 1%)163(Top 3%)
23M23.00 mi1.25 mi2809+441381382941(Top 10%)239(Top 2%)239(Top 4%)
24M24.00 mi1.00 mi2789+20137+1137+13264(Top 11%)310(Top 3%)310(Top 6%)
40K24.85 mi0.85 mi2733+56136+1136+12188(Top 8%)170(Top 1%)170(Top 3%)
25.2M25.20 mi0.35 mi2705+281361362216(Top 8%)209(Top 2%)209(Top 4%)
Finish26.22 mi1.02 mi2704+1138-2138-23227(Top 11%)360(Top 3%)360(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3311

Females

162

F18-39

162

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3565

Females

183

F18-39

183

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3311

Females

162

F18-39

162

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2793

Females

127

F18-39

127

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2856

Females

121

F18-39

121

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2537

Females

118

F18-39

118

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2619

Females

134

F18-39

134

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2642

Females

149

F18-39

149

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2940

Females

207

F18-39

207

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2533

Females

163

F18-39

163

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2941

Females

239

F18-39

239

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3264

Females

310

F18-39

310

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2188

Females

170

F18-39

170

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2216

Females

209

F18-39

209

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3227

Females

360

F18-39

360

Passing Analysis

Category:
Athletes Passed
1628
Passed By
308
Net Change
+1320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4024
5K → 10K30255+247#4024#3777
10K → 15K21030+180#3777#3597
15K → 20K2726+266#3597#3331
20K → Half372+35#3331#3296
Half → 25K15914+145#3296#3151
25K → 30K19542+153#3151#2998
30K → 20M8723+64#2998#2934
20M → 21M6329+34#2934#2900
21M → 35K5710+47#2900#2853
35K → 23M6622+44#2853#2809
23M → 24M4929+20#2809#2789
24M → 40K6812+56#2789#2733
40K → 25.2M324+28#2733#2705
25.2M → Finish3130+1#2705#2704
TOTALS1628308+1320
📊

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